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
Energy Economics
Environmental Economics
Statistics & Econometrics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,463
3,603
0.807
* Total Citation Counts Rankings
Ranking Based On Selection :2
Sustainable Development
Energy and Environmental economics
International Macroeconomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
444
380
0.856
* Total Citation Counts Rankings
Ranking Based On Selection :3
Energy Economics
Environmental Economics
sustainable development
water resources management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
89
50
0.562
* Total Citation Counts Rankings
Ranking Based On Selection :4
Transport Economics Environmental Economics Transportation Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
Sahbi Farhani
Université de Sousse
Sousse, Tunisia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,463
3,603
0.807
Energy Economics
Environmental Economics
Statistics & Econometrics
Tarek Ghazouani
Université de Jendouba
Tunus, Tunisia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
444
380
0.856
Sustainable Development
Energy and Environmental economics
International Macroeconomics
Imen Gam
Université de Sfax
Sfax, Tunisia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
89
50
0.562
Energy Economics
Environmental Economics
sustainable development
water resources management
Sonia Mrad
Université de Sfax
Sfax, Tunisia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
Transport Economics Environmental Economics Transportation Engineering