The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 years. As of Feb 02, 2025, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (870.053) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H IndexRankings
Ranking Based On Selection: 1
Pyrolysis
Microwave Pyrolysis
Waste and Biomass Recovery
Water & Wastewater Treatment
Biochar
Metrics
H-Index
i10 Index
Citation Counts
90
423
29,816
* Total H IndexRankings
Ranking Based On Selection: 2
Solid-state Hydrogen Storage
Metal Hydrides
Complex Hydrides
Materials Science
Advanced
Metrics
H-Index
i10 Index
Citation Counts
45
98
5,102
* Total H IndexRankings
Ranking Based On Selection: 3
Organizational Behavior and Human Resource Management
Metrics
H-Index
i10 Index
Citation Counts
43
93
9,068
* Total H IndexRankings
Ranking Based On Selection: 4
genetics
Metrics
H-Index
i10 Index
Citation Counts
43
227
10,315
* Total H IndexRankings
Ranking Based On Selection: 5
Crustacean
reproduction
larviculture
breeding technology
seed production
Metrics
H-Index
i10 Index
Citation Counts
39
164
6,389
* Total H IndexRankings
Ranking Based On Selection: 6
Thermochemical process
Advanced porous carbon
Energy
Waste conversion
Environmental remediation
Metrics
H-Index
i10 Index
Citation Counts
38
69
6,521
* Total H IndexRankings
Ranking Based On Selection: 7
Structural Equation Modeling
Statistical Modeling
Metrics
H-Index
i10 Index
Citation Counts
38
93
6,849
* Total H IndexRankings
Ranking Based On Selection: 8
Gelatin
Collagen
Protein Hydrolysate
Bioactive Peptide
Food Packaging
Metrics
H-Index
i10 Index
Citation Counts
38
84
4,836
* Total H IndexRankings
Ranking Based On Selection: 9
Metrics
H-Index
i10 Index
Citation Counts
37
68
5,749
* Total H IndexRankings
Ranking Based On Selection: 10
evolutionary biology
zoology
wildlife conservation
morphology
behavioural ecology
Metrics
H-Index
i10 Index
Citation Counts
37
68
5,351
* Total H IndexRankings
Ranking Based On Selection: 11
Fuzzy Mathematics
Fuzzy Decision Making
Social Statistics
Metrics
H-Index
i10 Index
Citation Counts
36
117
6,373
* Total H IndexRankings
Ranking Based On Selection: 12
Material
Corrosion
Lubricant
Tribology
Energy
Metrics
H-Index
i10 Index
Citation Counts
34
69
4,163
* Total H IndexRankings
Ranking Based On Selection: 13
Halal
Supply Chain
Tourism
Marketing
Consumer Behavior
Metrics
H-Index
i10 Index
Citation Counts
33
74
3,997
* Total H IndexRankings
Ranking Based On Selection: 14
Molecular Biology
Metrics
H-Index
i10 Index
Citation Counts
32
90
3,265
* Total H IndexRankings
Ranking Based On Selection: 15
Bioengineering
Cell Culture
Biomaterials
Bioenergy
Natural Products
Metrics
H-Index
i10 Index
Citation Counts
32
77
3,916
* Total H IndexRankings
Ranking Based On Selection: 16
Metrics
H-Index
i10 Index
Citation Counts
31
37
3,928
* Total H IndexRankings
Ranking Based On Selection: 17
Aquatic Toxiology
Sediment Geochemistry
Trace Metals
Metrics
H-Index
i10 Index
Citation Counts
30
68
2,809
* Total H IndexRankings
Ranking Based On Selection: 18
Metrics
H-Index
i10 Index
Citation Counts
30
69
2,676
* Total H IndexRankings
Ranking Based On Selection: 19
Herpetology
Herpetofauna
Phylogeny
Biogeography
Metrics
H-Index
i10 Index
Citation Counts
29
72
2,746
* Total H IndexRankings
Ranking Based On Selection: 20
aquaculture
crustacean biology and physiology
reproductive biology
Metrics
H-Index
i10 Index
Citation Counts
28
66
2,327
* Total H IndexRankings
Ranking Based On Selection: 21
Sport Science
Health Promotion
Sport Analytics
Metrics
H-Index
i10 Index
Citation Counts
28
72
3,138
* Total H IndexRankings
Ranking Based On Selection: 22
Corporate Governance
Earnings Management
Earnings Quality
Metrics
H-Index
i10 Index
Citation Counts
28
57
2,843
* Total H IndexRankings
Ranking Based On Selection: 23
Mangrove ecology (Flora and Fauna)
Remote Sensing and GIS
Metrics
H-Index
i10 Index
Citation Counts
28
54
2,586
* Total H IndexRankings
Ranking Based On Selection: 24
Fish reproduction
nutritional biotechnology
aquaculture (ornamental fish
crab
Penaeid shrimp)
Metrics
H-Index
i10 Index
Citation Counts
28
95
3,357
* Total H IndexRankings
Ranking Based On Selection: 25
metabolomics
natural products chemistry
bioactive compounds
Metrics
H-Index
i10 Index
Citation Counts
27
60
2,301
Su Shiung Lam 蓝世雄
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
90
423
29,816
Pyrolysis
Microwave Pyrolysis
Waste and Biomass Recovery
Water & Wastewater Treatment
Biochar
Mohammad Ismail
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
45
98
5,102
Solid-state Hydrogen Storage
Metal Hydrides
Complex Hydrides
Materials Science
Advanced
Yusliza Mohd Yusoff
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
43
93
9,068
Organizational Behavior and Human Resource Management
Siti Azizah Mohd Nor
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
43
227
10,315
Mhd Ikhwanuddin
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
39
164
6,389
Crustacean
reproduction
larviculture
breeding technology
seed production
Rock Keey Liew
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
38
69
6,521
Thermochemical process
Advanced porous carbon
Energy
Waste conversion
Environmental remediation
Asyraf Afthanorhan
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
38
93
6,849
Structural Equation Modeling
Statistical Modeling
Norizah Mhd Sarbon
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
38
84
4,836
Gelatin
Collagen
Protein Hydrolysate
Bioactive Peptide
Food Packaging
Ma Nyuk Ling
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
37
68
5,749
Nobuyuki Yamaguchi
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
37
68
5,351
evolutionary biology
zoology
wildlife conservation
morphology
behavioural ecology
Lazim Abdullah
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
36
117
6,373
Fuzzy Mathematics
Fuzzy Decision Making
Social Statistics
Wan Mohd Norsani Wan Nik
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
34
69
4,163
Material
Corrosion
Lubricant
Tribology
Energy
Abdul Hafaz Ngah
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
33
74
3,997
Halal
Supply Chain
Tourism
Marketing
Consumer Behavior
Tengku Sifzizul Tengku Muhammad
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
32
90
3,265
Mohd Azmuddin Abdullah
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
32
77
3,916
Bioengineering
Cell Culture
Biomaterials
Bioenergy
Natural Products
Wan Adibah Wan Mahari
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
31
37
3,928
Noor Azhar Mohd Shazili
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
30
68
2,809
Aquatic Toxiology
Sediment Geochemistry
Trace Metals
Najiah M
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
30
69
2,676
Esh Quah
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
29
72
2,746
Herpetology
Herpetofauna
Phylogeny
Biogeography
Khor Waiho
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
28
66
2,327
aquaculture
crustacean biology and physiology
reproductive biology
Rabiu Muazu Musa
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
28
72
3,138
Sport Science
Health Promotion
Sport Analytics
Hafiza Aishah Hashim
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
28
57
2,843
Corporate Governance
Earnings Management
Earnings Quality
Behara Satyanarayana
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
28
54
2,586
Mangrove ecology (Flora and Fauna)
Remote Sensing and GIS
Abol Munafi Ambok Bolong
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
28
95
3,357
Fish reproduction
nutritional biotechnology
aquaculture (ornamental fish
crab
Penaeid shrimp)
Maulidiani
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
27
60
2,301
metabolomics
natural products chemistry
bioactive compounds