Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Total Citation Counts Rankings
Ranking Based On Selection :1
Applied Linguistics
Needs analysis
ESP
TESOL
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
750
306
0.408
* Total Citation Counts Rankings
Ranking Based On Selection :2
Applied Linguistics
TESOL
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
593
582
0.981
* Total Citation Counts Rankings
Ranking Based On Selection :3
Petroleum Engineering
Formation damage
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
593
332
0.560
* Total Citation Counts Rankings
Ranking Based On Selection :4
Microbiology
Molecular Biology
Bacteriology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
580
325
0.560
* Total Citation Counts Rankings
Ranking Based On Selection :5
Polymer Nanocomposites
Nanomaterials
Water Treatment
Nanofluids
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
559
529
0.946
* Total Citation Counts Rankings
Ranking Based On Selection :6
Drilling fluids
Non-Newtonian Fluid Rheology
Drilling Hydraulics
Surfactant Adsorption
Drilling Waste
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
374
210
0.561
* Total Citation Counts Rankings
Ranking Based On Selection :7
Analytical chemistry
Oleochemistry
Oils and Fats Modification
Biolubricant
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
371
348
0.938
* Total Citation Counts Rankings
Ranking Based On Selection :8
Fish Technology
Seafood
Aquaculture Nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
320
111
0.347
* Total Citation Counts Rankings
Ranking Based On Selection :9
Chemical Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
299
142
0.475
* Total Citation Counts Rankings
Ranking Based On Selection :10
Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
292
186
0.637
* Total Citation Counts Rankings
Ranking Based On Selection :11
coral reefs
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
276
275
0.996
* Total Citation Counts Rankings
Ranking Based On Selection :12
Moleculer biology
Cancer biology
Medical biochemistry
Breast cancer and obesity
Next generation sequencing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
257
223
0.868
* Total Citation Counts Rankings
Ranking Based On Selection :13
Organic Synthesis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
256
110
0.430
* Total Citation Counts Rankings
Ranking Based On Selection :14
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
221
51
0.231
* Total Citation Counts Rankings
Ranking Based On Selection :15
oncology
Medicine
research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
215
120
0.558
* Total Citation Counts Rankings
Ranking Based On Selection :16
Nanomaterial
Sensors
Solar Energy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
202
119
0.589
* Total Citation Counts Rankings
Ranking Based On Selection :17
Computer Networks
Computer Security
AI
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
195
129
0.662
* Total Citation Counts Rankings
Ranking Based On Selection :18
Beekeeping
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
194
98
0.505
* Total Citation Counts Rankings
Ranking Based On Selection :19
Chemistry
Analytical Chemistry
Chromatographic separation and Chromatographic Columns
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
183
135
0.738
* Total Citation Counts Rankings
Ranking Based On Selection :20
Petroleum Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
178
169
0.949
* Total Citation Counts Rankings
Ranking Based On Selection :21
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
172
64
0.372
* Total Citation Counts Rankings
Ranking Based On Selection :22
Bioinformatics
Artificial Intelligence
Parallel & Distributed Computing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
149
36
0.242
* Total Citation Counts Rankings
Ranking Based On Selection :23
optical communication
photonics
optical OFDM
5G
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
147
89
0.605
* Total Citation Counts Rankings
Ranking Based On Selection :24
security
data mining
big data
Data science & machine learning
Software Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
143
59
0.413
* Total Citation Counts Rankings
Ranking Based On Selection :25
Invertebrates
Mussels Culture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
134
51
0.381
Atef Al-tamimi
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
750
306
0.408
Applied Linguistics
Needs analysis
ESP
TESOL
Wagdi Rashad Ali Bin-Hady
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
593
582
0.981
Applied Linguistics
TESOL
Amer Badr Binmerdhah
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
593
332
0.560
Petroleum Engineering
Formation damage
Ahmed Mohammed Al Haddad
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
580
325
0.560
Microbiology
Molecular Biology
Bacteriology
Osamah A. Bin-Dahman
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
559
529
0.946
Polymer Nanocomposites
Nanomaterials
Water Treatment
Nanofluids
Mazen Ahmed Muherei
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
374
210
0.561
Drilling fluids
Non-Newtonian Fluid Rheology
Drilling Hydraulics
Surfactant Adsorption
Drilling Waste
Murad Bahadi
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
371
348
0.938
Analytical chemistry
Oleochemistry
Oils and Fats Modification
Biolubricant
Osan Maroof Bahurmiz
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
320
111
0.347
Fish Technology
Seafood
Aquaculture Nutrition
Alsobaai
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
299
142
0.475
Hassan Pyar
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
292
186
0.637
Jaafar Omar Baomar
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
276
275
0.996
Mohammed Abdullah Hassan
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
257
223
0.868
Moleculer biology
Cancer biology
Medical biochemistry
Breast cancer and obesity
Next generation sequencing
Mohammed Hadi Al-Douh
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
256
110
0.430
Saeed Binajjaj
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
221
51
0.231
Ahmed Mohamed Badheeb|Of Medicine & Oncology
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
215
120
0.558
oncology
Medicine
research
Salim F Bamsaoud|
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
202
119
0.589
Nanomaterial
Sensors
Solar Energy
Farid Binbeshr
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
195
129
0.662
Mohamed Saeed khanbash
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
194
98
0.505
Munir S Obbed
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
183
135
0.738
Chemistry
Analytical Chemistry
Chromatographic separation and Chromatographic Columns
Salem Obaid Baarimah
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
178
169
0.949
Petroleum Engineering
Hesham Bakarman
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
172
64
0.372
Hesham Bahamish
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
149
36
0.242
Bioinformatics
Artificial Intelligence
Parallel & Distributed Computing
AO Aldhaibani
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
147
89
0.605
optical communication
photonics
optical OFDM
5G
Mohammed Bamatraf
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
143
59
0.413
security
data mining
big data
Data science & machine learning
Software Engineering
Abdullah Salem Bawazir
Hadhramout University
Mukalla, Yemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
134
51
0.381