University, Subject, Country, Region, World

Delta State University Nigeria Scientist Rankings 2023

AD Scientific Index - World Scientist Rankings - 2023 H INDEX i10 INDEX CITATION
University Country Region World Name Country University Subject Total Last 5 year Last 5 year/total Total Last 5 year Last 5 year/total Total Last 5 year Last 5 year/total
1 80 1304 166051
Nigeria Delta State University Nigeria Delta State University Nigeria Natural Sciences / Chemical Sciences

Analytical Environmental Chemistry | Organic Geochemistry and Ecotoxicology |

32 28 0.875 86 70 0.814 3213 2016 0.627
2 348 3496 298273
Nigeria Delta State University Nigeria Delta State University Nigeria Social Sciences / Anthropology

physical and forensic anthropology and neuroanatomy |

23 16 0.696 47 22 0.468 1625 723 0.445
3 419 3936 319677
Nigeria Delta State University Nigeria Delta State University Nigeria Natural Sciences / Chemical Sciences

Public Analyst & Professor of Analytical/Environmental Chemistry |

22 18 0.818 42 30 0.714 1500 923 0.615
4 542 4627 351995
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Obstetrics and Gynecology

Infertility and reproductive endocrinology |

20 13 0.650 26 19 0.731 2307 1723 0.747
5 724 5720 398209
Nigeria Delta State University Nigeria Delta State University Nigeria Agriculture & Forestry / Fisheries

Hydrobiology and Fisheries | Wetland Ecology | Enviromental and Conservation Studies and Marine Biology |

19 13 0.684 25 17 0.680 1057 511 0.483
6 784 6124 417435
Nigeria Delta State University Nigeria Delta State University Nigeria Social Sciences / Sociology

agricultural / rural sociology |

18 13 0.722 31 24 0.774 1278 835 0.653
7 818 6294 422381
Nigeria Delta State University Nigeria Delta State University Nigeria Education / Education

1. Education Law 2. Human Resources Management 3. Record Management 4. Conflict Management 5. Disciplinary Controls |

18 15 0.833 33 21 0.636 1133 702 0.620
8 847 6450 426699
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Parasitology

Epidemiology and Immunology of Parasitic Infections |

18 12 0.667 28 13 0.464 1017 402 0.395
9 873 6563 429828
Nigeria Delta State University Nigeria Delta State University Nigeria Natural Sciences / Geography

Climatology | Water Resources and Environmental Management |

18 15 0.833 27 18 0.667 926 502 0.542
10 905 6829 443484
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Molecular Biology

Biotechnology |

17 14 0.824 23 17 0.739 1401 639 0.456

2023... 2023... World Scientist and University Rankings 2023

11 942 7052 451893
Nigeria Delta State University Nigeria Delta State University Nigeria Natural Sciences / Chemical Sciences

Cadmium Toxicity |

17 12 0.706 31 15 0.484 1105 567 0.513
12 1020 7383 461950
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Obstetrics and Gynecology

maternal and fetal medicine | Reproductive medicine | maternal global health issues | international public health |

17 12 0.706 22 15 0.682 880 381 0.433
13 1025 7411 462557
Nigeria Delta State University Nigeria Delta State University Nigeria Engineering & Technology / Civil Engineering

Civil Engineering | Water Resources and Environmental Engineering | Renewable Energy | Biogas | Solid Waste Management |

17 16 0.941 23 23 1.000 866 717 0.828
14 1029 7428 462965
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Obstetrics and Gynecology

maternal and foetal medicine | invitro fertilization and gynaecological endoscopy |

17 12 0.706 22 13 0.591 856 430 0.502
15 1068 7587 467094
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Physiology

Reproduction and Cardiovascular Physiology |

17 7 0.412 24 6 0.250 711 193 0.271
16 1104 7805 479598
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Pathology

Histochemistry | Histopathology | Medical Laboratory Science |

16 12 0.750 25 19 0.760 1227 654 0.533
17 1134 7969 485737
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Biochemistry

Toxicology |

16 15 0.938 27 23 0.852 1036 683 0.659
18 1244 8506 500888
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Parasitology

Public Health Parasitology | Applied Entomology | Environmental Science and Conservation onservation |

16 8 0.500 18 7 0.389 745 275 0.369
19 1250 8551 501874
Nigeria Delta State University Nigeria Delta State University Nigeria Engineering & Technology / Earth Sciences

Geophysics |

16 12 0.750 23 19 0.826 722 475 0.658
20 1262 8614 503624
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences

Pharmacology/Therapeutics | Toxicology | Bioinformatics | Drug discovery | Clinical Trials |

16 14 0.875 20 18 0.900 676 421 0.623
21 1345 9048 523301
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Infectious Diseases

Epidemiology | Public Health | Health Policy and Management | Health Systems |

15 14 0.933 23 16 0.696 964 550 0.571
22 1449 9589 538650
Nigeria Delta State University Nigeria Delta State University Nigeria Natural Sciences / Geography

Transportation Geography |

15 13 0.867 23 14 0.609 714 445 0.623
23 1466 9713 541429
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Microbiology

Biodegradation | Bioremediation | Environment and Public Health |

15 8 0.533 24 7 0.292 673 196 0.291
24 1566 10266 562915
Nigeria Delta State University Nigeria Delta State University Nigeria Natural Sciences / Chemical Sciences

Environmental Chemistry |

14 12 0.857 15 14 0.933 941 605 0.643
25 1570 10278 563350
Nigeria Delta State University Nigeria Delta State University Nigeria Education / Education

Higher Education | Quality Education | Leadership | Teacher Education | Educational Administration |

14 13 0.929 18 16 0.889 930 778 0.837
26 1572 10287 563547
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Obstetrics and Gynecology

Obstetrics and Gynaecology | Reproductive Medicine and Assisted conception | Bioethics | Public Health | Global Health |

14 11 0.786 20 13 0.650 925 408 0.441
27 1734 10994 583861
Nigeria Delta State University Nigeria Delta State University Nigeria Natural Sciences / Chemical Sciences

Environmental Management and Pollution Studies | Analytical Methods and Expert System Development |

14 9 0.643 17 9 0.529 626 296 0.473
28 1742 11026 584423
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Medical Biochemistry

Malaria |

14 9 0.643 20 7 0.350 619 308 0.498
29 1877 11724 606605
Nigeria Delta State University Nigeria Delta State University Nigeria Agriculture & Forestry / Agricultural Economics

Agricultural Production Economics | Natural Resource and Environmental Economics |

13 12 0.923 14 13 0.929 918 447 0.487
30 2019 12404 626852
Nigeria Delta State University Nigeria Delta State University Nigeria Agriculture & Forestry / Agricultural Economics

Applied Economics | Agricultural & Rural Economics | Development Economics |

13 10 0.769 19 10 0.526 601 247 0.411
31 2032 12472 628117
Nigeria Delta State University Nigeria Delta State University Nigeria Agriculture & Forestry / Entomology & Pesticides

horticultural | legume and cereal crop entomology and pest management |

13 8 0.615 17 7 0.412 589 256 0.435
32 2282 13658 664000
Nigeria Delta State University Nigeria Delta State University Nigeria Agriculture & Forestry / Agricultural Economics

Agricultural finance and Project Analysis |

12 11 0.917 18 12 0.667 670 393 0.587
33 2367 14035 674432
Nigeria Delta State University Nigeria Delta State University Nigeria Engineering & Technology / Metallurgical & Materials Engineering

Materials science | fluid dynamics/flow assurance | corrosion | environmental pollution control | catalysis |

12 11 0.917 16 13 0.813 556 477 0.858
34 2568 14911 692596
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Veterinary Sciences

Animal nutrition | Nutrient recovery | Wastes management | Toxicology | Feed formulation |

12 7 0.583 14 5 0.357 391 157 0.402
35 2709 15640 718708
Nigeria Delta State University Nigeria Delta State University Nigeria Natural Sciences / Chemical Sciences

Environmental Chemistry and Toxicology |

11 11 1.000 13 11 0.846 563 394 0.700
36 2869 16299 734144
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Veterinary Sciences

Environmental physiology/ breeding |

11 8 0.727 12 8 0.667 432 221 0.512
37 2905 16419 736473
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Veterinary Sciences

Animal Science | Animal breeding and Genetics |

11 8 0.727 14 6 0.429 414 253 0.611
38 3063 17158 753056
Nigeria Delta State University Nigeria Delta State University Nigeria Economics & Econometrics / Accounting & Finance

finance and development |

10 9 0.900 11 9 0.818 1121 747 0.666
39 3115 17511 766826
Nigeria Delta State University Nigeria Delta State University Nigeria Economics & Econometrics / Economics

Economic Theory | Energy and Environmental Economics | Quantitative Economics | Econometrics and Statistical Economics | Monetary Economics |

10 6 0.600 10 3 0.300 556 299 0.538
40 3455 18985 800364
Nigeria Delta State University Nigeria Delta State University Nigeria Delta State University, Abraka

Agricultural Programme Evaluation and Rural Sociologyy |

10 7 0.700 10 4 0.400 248 138 0.556

 New. 2023 Country Top Lists: Top 10000, 5000, 3000, 2000, 1000. Only in AD Scientific Index

41 3542 19460 815852
Nigeria Delta State University Nigeria Delta State University Nigeria Social Sciences / Library and Information Science

Library Science | Library Automation | Records Management | Information Management | Archives Administration |

9 8 0.889 9 6 0.667 538 324 0.602
42 3607 19827 826861
Nigeria Delta State University Nigeria Delta State University Nigeria Social Sciences / Sociology

African Studies | Archaeology and Anthropology |

9 8 0.889 9 8 0.889 393 255 0.649
43 3620 19873 827720
Nigeria Delta State University Nigeria Delta State University Nigeria Agriculture & Forestry / Agricultural Economics

Production Economics and Farm Management |

9 8 0.889 9 8 0.889 385 197 0.512
44 3821 20794 844973
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Biochemistry

Nutritional and Clinical Biochemistry |

9 6 0.667 9 3 0.333 248 134 0.540
45 3823 20807 845087
Nigeria Delta State University Nigeria Delta State University Nigeria Social Sciences / Psychology

Psychotherapy |

9 7 0.778 9 6 0.667 247 122 0.494
46 3831 20843 845556
Nigeria Delta State University Nigeria Delta State University Nigeria Natural Sciences / Chemical Sciences

Cataloguing and Classification | Knowledge Management | Information and Communication Technology | Library Administration |

9 8 0.889 9 6 0.667 243 146 0.601
47 3859 20942 846758
Nigeria Delta State University Nigeria Delta State University Nigeria Associate professor of Anatomy, Delta State University, Abraka

Physical Anthropology | Osteology | Histology |

9 8 0.889 8 7 0.875 233 173 0.742
48 3954 21300 850087
Nigeria Delta State University Nigeria Delta State University Nigeria Agriculture & Forestry / Animal Science

Reproductive physiology | Animal nutrition | Animal Products processing |

9 6 0.667 8 2 0.250 198 91 0.460
49 3973 21369 850597
Nigeria Delta State University Nigeria Delta State University Nigeria Agriculture & Forestry / Horticulture

Plant Propagation | Pomology | Olericulture | Cropping systems |

9 5 0.556 7 3 0.429 190 94 0.495
50 3985 21424 851007
Nigeria Delta State University Nigeria Delta State University Nigeria Delta State University

Environmental Geophysics | Isotope Hydrology |

9 7 0.778 9 5 0.556 181 139 0.768
51 4055 21871 866562
Nigeria Delta State University Nigeria Delta State University Nigeria Education / Education

Science Education |

8 6 0.750 7 4 0.571 435 268 0.616
52 4209 22595 882230
Nigeria Delta State University Nigeria Delta State University Nigeria Engineering & Technology / Earth Sciences

Aquaculture and Fisheries |

8 7 0.875 7 6 0.857 258 164 0.636
53 4280 22874 885496
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Pharmacology

Pharmacology and Toxicology |

8 8 1.000 7 6 0.857 234 227 0.970
54 4288 22902 885912
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Epidemiology and Public Health

Epidemiology & Public Health |

8 8 1.000 8 6 0.750 231 210 0.909
55 4295 22962 886732
Nigeria Delta State University Nigeria Delta State University Nigeria Associate Professor, Guidance and Counselling, Delta State University Abraka Nigeria

Guidance and Counselling |

8 8 1.000 7 7 1.000 226 171 0.757

FAQ    Frequently Asked Questions and Answers

56 4300 22985 887091
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Endocrinology and Metabolism

Endocrinology (Diabetic related research) | Reproductive research | Food and Metabolism |

8 7 0.875 7 6 0.857 224 153 0.683
57 4345 23128 888315
Nigeria Delta State University Nigeria Delta State University Nigeria Delta State University

Mass Communication |

8 8 1.000 7 6 0.857 216 182 0.843
59 4371 23210 888913
Nigeria Delta State University Nigeria Delta State University Nigeria Natural Sciences / Chemical Sciences

polymer | petroleum | physical | entrepreneurial | green Chemistry and materials science |

8 5 0.625 5 2 0.400 213 101 0.474
58 4366 23200 888876
Nigeria Delta State University Nigeria Delta State University Nigeria Associate Professor of Measurement and Evaluation, Delta State University, Abraka, Nigeria

Measurement and Evaluation: Test Construction and Standardization |

8 7 0.875 6 3 0.500 213 167 0.784
60 4407 23317 889953
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Obstetrics and Gynecology

Gynaecological oncology | reproductive health | research | infertility |

8 6 0.750 7 2 0.286 206 99 0.481
61 4420 23359 890350
Nigeria Delta State University Nigeria Delta State University Nigeria DELTA STATE UNIVERSITY, ABRAKA

AGRIBUSINESS MANAGEMENT AND AGRICULTURAL MARKETING |

8 6 0.750 5 1 0.200 204 123 0.603
62 4454 23490 891374
Nigeria Delta State University Nigeria Delta State University Nigeria Delta State University, Abraka

Environmental Microbiology |

8 7 0.875 7 5 0.714 197 131 0.665
62 4454 23490 891374
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Microbiology

industrial/environmental microbiology |

8 7 0.875 7 5 0.714 197 139 0.706
64 4457 23502 891514
Nigeria Delta State University Nigeria Delta State University Nigeria Delta State University & Delta State University Teaching Hospital

Oral Maxillofacial Surgery |

8 7 0.875 7 5 0.714 196 108 0.551
65 4506 23672 892734
Nigeria Delta State University Nigeria Delta State University Nigeria Natural Sciences / Chemical Sciences

Modelling and Simulation | Industrial and Environmental Processing |

8 6 0.750 5 3 0.600 188 116 0.617
66 4552 23834 894005
Nigeria Delta State University Nigeria Delta State University Nigeria Business & Management / Decision Science and Operations Management

Operations Research and Management |

8 6 0.750 4 4 1.000 179 141 0.788
67 4607 24009 895268
Nigeria Delta State University Nigeria Delta State University Nigeria Delta State University, Abraka

8 5 0.625 6 3 0.500 169 81 0.479
68 4619 24055 895582
Nigeria Delta State University Nigeria Delta State University Nigeria Social Sciences / Library and Information Science

Library Automation | Ergonomics of ICT use | Special librarianship | Knowledge Management |

8 6 0.750 7 4 0.571 166 96 0.578
69 4650 24150 896221
Nigeria Delta State University Nigeria Delta State University Nigeria Senoir Lecturer of Anatomy, Delta State University, Abraka, Nigeria

Forensic and Physical Anthropology | Clinical/applied anatomy |

8 7 0.875 7 3 0.429 160 113 0.706
70 4740 24473 898261
Nigeria Delta State University Nigeria Delta State University Nigeria Natural Sciences / Chemical Sciences

industrial chemistry/ polymer science/ entrepreneurship development. |

8 1 0.125 5 0 0.000 130 5 0.038
71 4798 24846 911343
Nigeria Delta State University Nigeria Delta State University Nigeria Social Sciences / Sociology

Industrial and Development Sociology |

7 4 0.571 4 3 0.750 373 139 0.373
72 4857 25142 918129
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Cardiology

cardiovascular physiology |

7 5 0.714 3 2 0.667 268 140 0.522
73 4906 25361 921457
Nigeria Delta State University Nigeria Delta State University Nigeria Engineering & Technology / Earth Sciences

Geophysics |

7 5 0.714 6 2 0.333 232 102 0.440
74 4929 25483 922670
Nigeria Delta State University Nigeria Delta State University Nigeria Natural Sciences / Molecular Biology & Genetics

Forensic Anatomy | Comparative Anatomy | Histology | Pathology |

7 7 1.000 7 7 1.000 221 161 0.729
75 4944 25547 923315
Nigeria Delta State University Nigeria Delta State University Nigeria Delta State University Abraka

Environmental Plant Physiology |

7 5 0.714 5 3 0.600 217 123 0.567
76 5004 25782 925709
Nigeria Delta State University Nigeria Delta State University Nigeria Senior Lecturer , Delta State University

Environmental Ecology and Toxicology |

7 7 1.000 5 5 1.000 201 106 0.527
77 5031 25907 926806
Nigeria Delta State University Nigeria Delta State University Nigeria Economics & Econometrics / Accounting & Finance

ACCOUNTING | CORPORATE REPORTING | FINANCIAL MANAGEMENT | CAPITAL MARKET RESEARCH | ACCOUNTING THEORY |

7 7 1.000 7 6 0.857 193 167 0.865
78 5096 26175 929054
Nigeria Delta State University Nigeria Delta State University Nigeria Agriculture & Forestry / Forestry

Silviculture | Sustainable Forest Management |

7 5 0.714 6 3 0.500 180 89 0.494
79 5114 26227 929534
Nigeria Delta State University Nigeria Delta State University Nigeria Engineering & Technology / Electrical & Electronic Engineering

Electronic and Telecommunications Engineering |

7 7 1.000 6 4 0.667 177 141 0.797
80 5166 26430 931008
Nigeria Delta State University Nigeria Delta State University Nigeria Engineering & Technology / Earth Sciences

Geophysics |

7 6 0.857 4 3 0.750 170 101 0.594
81 5245 26721 933470
Nigeria Delta State University Nigeria Delta State University Nigeria Senior Lecturer, Delta State University, Abraka

Environmental Geophysics | Groundwater/Contaminant modelling | Engineering Geophysics |

7 6 0.857 6 5 0.833 157 128 0.815
82 5255 26745 933649
Nigeria Delta State University Nigeria Delta State University Nigeria Business & Management / Business Administration

Business Education | Educational Administration |

7 7 1.000 6 3 0.500 156 124 0.795
83 5342 27075 935928
Nigeria Delta State University Nigeria Delta State University Nigeria Delta State University, Abraka

application and development of ICT |

7 7 1.000 4 4 1.000 145 100 0.690
84 5404 27278 937230
Nigeria Delta State University Nigeria Delta State University Nigeria Business & Management / Public Relations and Advertising

Public Relations And Avertising |

7 6 0.857 5 4 0.800 138 104 0.754
85 5434 27372 937867
Nigeria Delta State University Nigeria Delta State University Nigeria Agriculture & Forestry / Agriculture

Agricultural Extension |

7 5 0.714 4 1 0.250 135 76 0.563
86 5515 27630 939549
Nigeria Delta State University Nigeria Delta State University Nigeria doctor of microbiology, , delta state university, abraka, nigeria

environmental microbiology |

7 5 0.714 6 1 0.167 125 70 0.560
87 5554 27738 940221
Nigeria Delta State University Nigeria Delta State University Nigeria Associate Professor, Delta State University, Abraka, Nigeria

Career Counselling |

7 6 0.857 5 4 0.800 120 79 0.658
88 5767 28772 957713
Nigeria Delta State University Nigeria Delta State University Nigeria Natural Sciences / Chemical Sciences

Industrial Chemistry/Environmental Chemistry |

6 6 1.000 5 3 0.600 222 134 0.604
89 5776 28813 958139
Nigeria Delta State University Nigeria Delta State University Nigeria professor of industrial Technical Education, Delta State University, Abraka

Industrial Technical Education |

6 4 0.667 4 2 0.500 217 143 0.659
90 5792 28869 958842
Nigeria Delta State University Nigeria Delta State University Nigeria Doctor of Engineering, Delta State University, Abraka

Design and Thermodynamics |

6 6 1.000 5 5 1.000 209 194 0.928

Institutional Subscription (Discount and Free Institutional Academic Performance Report)

91 5793 28870 958857
Nigeria Delta State University Nigeria Delta State University Nigeria Professor of Guidance and Counseling, Delta State University, Abraka.

Family Life | Isuues associated with adolescents | Academic Performance |

6 5 0.833 5 3 0.600 209 133 0.636
92 5818 28959 959927
Nigeria Delta State University Nigeria Delta State University Nigeria PhD in Biochemistry, Lecture at Delta State University, Abraka, Nigeria

toxicology medical biochemistry |

6 5 0.833 5 4 0.800 198 121 0.611
93 5889 29251 962631
Nigeria Delta State University Nigeria Delta State University Nigeria Associate Professor Dept of Surgery Delta State University Abraka

ENT SURGERY |

6 6 1.000 5 3 0.600 174 112 0.644
94 5932 29436 963837
Nigeria Delta State University Nigeria Delta State University Nigeria Associate Professor of International Studies, Delta State University, Abraka Nigeria

Internatinal Relations | Foreign Policy Analysis | Strategic Studies |

6 6 1.000 3 2 0.667 166 93 0.560
95 6014 29730 966189
Nigeria Delta State University Nigeria Delta State University Nigeria Social Sciences / Psychology

Industrial and Organisational Psychology |

6 6 1.000 4 4 1.000 152 151 0.993
96 6066 29895 967320
Nigeria Delta State University Nigeria Delta State University Nigeria Senior lecturer, Delta State University

Kidney disease epidemiology | Toxic nephropathy | Glomerulonephritis | Public health | Medical Education |

6 6 1.000 4 3 0.750 146 128 0.877
97 6088 29976 967926
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Microbiology

Pathogenic Micro-organisms/Antimicrobial activities and Immunology |

6 5 0.833 4 1 0.250 143 70 0.490
99 6141 30143 969093
Nigeria Delta State University Nigeria Delta State University Nigeria Ass. Professor of Biochemistry, Delta state university, Abraka, Delta state, Nigeria

Nutrition and Toxicology |

6 6 1.000 2 2 1.000 138 83 0.601
98 6139 30141 969085
Nigeria Delta State University Nigeria Delta State University Nigeria Natural Sciences / Chemical Sciences

Mycotoxin & Mycotoxicosis |

6 4 0.667 3 2 0.667 138 76 0.551
100 6206 30355 970540
Nigeria Delta State University Nigeria Delta State University Nigeria Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences

Pharmacognosy | natural products Chemistry | Phytochemistry | anticancer research |

6 5 0.833 2 2 1.000 132 105 0.795