| First Name | Last Name | Institutions | Articles |
|---|---|---|---|
| Juan Felipe | Reyes-Rodríguez | Pontifical Bolivarian University | 1 |
| Maria | Rostasova | University of Žilina | 1 |
| Natalia | Rimashevskaya | Institute of Socio-Economic Studies of Population | 1 |
| Anatoly | Rogov | Russian University of Transport | 1 |
| Rafael | Ravina Ripoll | University of Cádiz | 1 |
| Farzin | Rasoulyan | Sharif University of Technology | 1 |
| Zaimah | Ramli | National University of Malaysia | 1 |
| Kristina | Rudžionienė | Vilnius University | 1 |
| Adomas Vincas | Rakšnys | Vilniaus kolegija / Higher Education Institution | 1 |
| Baiba | Rivza | Latvia University of Agriculture | 1 |
| Robert | Rozenberg | Technical University of Košice | 1 |
| Pavel | Rousek | Institute of Technology and Business in České Budějovice | 2 |
| Vitālijs | Raščevskis | Daugavpils University | 2 |
| Alessio | Realini | Roma Tre University | 2 |
| Ona Gražina | Rakauskienė | Mykolas Romeris University | 2 |
| Zuzana | Rowland | Institute of Technology and Business in České Budějovice | 2 |
| Edward Malatse | Rankhumise | Tshwane University of Technology | 2 |
| Henrika | Ruginė | Klaipėda University | 2 |
| Miroslava | Řepová | University of Žilina | 2 |
| Olena | Rayevnyeva | Bratislava University of Economics and Management | 2 |