| First Name | Last Name | Institutions | Articles |
|---|---|---|---|
| Juozas | Latvys | NATO Energy Security Centre of Excellence | 1 |
| Jamal Eddine | Hazm | Sidi Mohamed Ben Abdellah University | 1 |
| John Lola | Okunola | Redeemer's University | 1 |
| Julius | Denafas | Soli Tek R&D, JSC; Kaunas University of Technology |
1 |
| Justice Ngonidzashe | Muchineripi | Walter Sisulu University | 1 |
| Johannes | Tsheola | University of South Africa | 2 |
| Jurga | Vestertė | Vilnius Gediminas Technical University | 2 |
| Jaroslav | Čársky | Alexander Dubcek University in Trencin | 2 |
| János | Besenyő | Óbuda University | 3 |
| John | Mamokhere | University of Limpopo | 3 |
| Joana | Katina | Vilnius University; Vilnius Gediminas Technical University; Vilniaus kolegija / Higher Education Institution |
6 |