| First Name | Last Name | Institutions | Articles |
|---|---|---|---|
| Henrika | Ruginė | Klaipėda University | 2 |
| Miroslava | Řepová | University of Žilina | 2 |
| Aušra | Rūtelionė | Kaunas University of Technology | 2 |
| Mohammad Naquibur | Rahman | Umm Al-Qura University | 2 |
| Orlando Lima | Rua | Polytechnic Institute of Porto; University of Beira Interior; Center for Organisational and Social Studies of the Polytechnic of Porto (CEOS.PP) |
2 |
| Richard | Rigó | Alexander Dubček University of Trenčín | 2 |
| Aleksandrs | Rubanovskis | Baltic International Academy | 2 |
| 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 |
| Tatiana Mikhailovna | Rogulenko | State University of Management | 1 |
| Juan Felipe | Reyes-Rodríguez | Pontifical Bolivarian University | 1 |
| Maria | Rostasova | University of Žilina | 1 |
| Adomas Vincas | Rakšnys | Vilniaus kolegija / Higher Education Institution | 1 |
| Baiba | Rivza | Latvia University of Agriculture | 1 |
| Robert | Rozenberg | Technical University of Košice | 1 |
| Zaimah | Ramli | National University of Malaysia | 1 |
| Kristina | Rudžionienė | Vilnius University | 1 |
| Monika | Radzymińska | University of Warmia and Mazury in Olsztyn | 1 |