| First Name | Last Name | Institutions | Articles |
|---|---|---|---|
| Rasa | Smaliukienė | General Jonas Žemaitis Military Academy of Lithuania; Vilnius Gediminas Technical University |
2 |
| Rasmus Bøgh | Holmen | Institute of Transport Economics | 3 |
| Ravi | Prakash | Motilal Nehru National Institute of Technology Allahabad | 3 |
| Renier | Steyn | University of South Africa | 2 |
| Reynier Limonta | Montero | University of Oriente | 1 |
| Ričardas | Krikštolaitis | Vytautas Magnus University | 1 |
| Richard | Chinomona | Walter Sisulu University | 2 |
| Richard Mduduzi | Mthethwa | University of Zululand | 1 |
| Ricky Munyaradzi | Mukonza | Tshwane University of Technology | 1 |
| Rimantas | Sinkevičius | Ministry of the Economy and Innovation of the Republic of Lithuania | 1 |
| Robertson Khan | Tengeh | University of the Western Cape | 1 |
| Rofem Inyang | Bassey | University of Venda | 1 |
| Romualdas | Petkevičius | Mykolas Romeris University | 1 |
| Rosemarie | Cruz-Español | University of the Visayas | 1 |
| Rudolf | Nagy | Óbuda University | 1 |
| Rūta | Latinytė | Vilnius University | 1 |
| Sabina | Grabowska | University of Rzeszów | 1 |
| Sahar M. | Fadallah | Cairo University | 1 |
| Salma | Sebbaghi | Sidi Mohamed Ben Abdellah University | 1 |
| Salvatore | Monni | Roma Tre University | 6 |
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