| First Name | Last Name | Institutions | Articles |
|---|---|---|---|
| Khatijah | Omar | University Malaysia Terengganu | 1 |
| Konstantin Vasilievich | Ordov | Plekhanov Russian University of Economics | 1 |
| Levent | Özkocak | Anadolu University | 1 |
| Ludmila | Orlova | Samara State Technical University | 1 |
| Lutpulla | Omarbakiyev | Turan University | 1 |
| Małgorzata | Okręglicka | Częstochowa University of Technology | 1 |
| Mária | Oleárová | University of Prešov | 2 |
| Mária | Osvaldová | Technical University in Zvolen | 1 |
| María Dolores | Oliver-Alfonso | University of Seville | 1 |
| Marian | Oliński | University of Warmia and Mazury in Olsztyn | 2 |
| Matvey | Oborin | Lomonosov Moscow State University | 1 |
| Michael | Oates | Integrated Environmental Solutions Ltd | 1 |
| Mihály | Ormos | Eötvös Loránd University; J. Selye University |
3 |
| Nataliia A. | Ostapiuk | Kyiv National Economic University named after Vadym Hetman | 1 |
| Olga V. | Otto | Altai State University | 1 |
| Pavol | Ondrík | University of Žilina | 1 |
| Radwa Ahmed | Osman | Arab Academy for Science Technology & Maritime Transport | 1 |
| Safiah | Omar | University of Malaya | 1 |
| Saule | Okutayeva | Astana International University | 3 |
| Sharina | Osman | Universiti Kuala Lumpur Business School | 1 |