| First Name | Last Name | Institutions | Articles |
|---|---|---|---|
| Olga | Chkalova | Lobachevsky State University of Nizhny Novgorod | 1 |
| Obrain Tinashe | Murire | Walter Sisulu University | 1 |
| Oksana | Vodolazska | Dnipro State Agrarian and Economic University | 1 |
| Oliver | Pisar | Technical University of Košice | 1 |
| Oleksandr | Shmatko | National Technical University "Kharkiv Polytechnic Institute" | 1 |
| Olena | Plakhotnik | Dniprovsk State Technical University | 1 |
| Olga | Nikiforova | Saint Petersburg State University | 1 |
| Oksana | Ishchenko-Padukova | Southern Federal University | 1 |
| Olga A. | Shvetsova | Korea University of Technology and Education | 1 |
| Olga Valeryevna | Kozminykh | Saint Petersburg State University | 1 |
| Ondřej | Peclinovský | Institute of Technology and Business in České Budějovice | 1 |
| Oleksii | Shumilo | Kharkiv National University of Internal Affairs | 1 |
| Olexandr | Zyma | Simon Kuznets Kharkiv National University of Economics | 1 |
| Olga | Burova | Rezekne Academy of Technologies | 1 |
| Oksana | Melnyk | Kyiv National Economic University named after Vadym Hetman | 1 |
| Oktay | Mamedov | Southern Federal University | 2 |
| Oxana | Afanasyeva | Financial University under the Government of the Russian Federation; Institute ITKOR |
2 |
| Oksana | Havrysh | State University of Telecommunications | 2 |
| Ona Gražina | Rakauskienė | Mykolas Romeris University | 2 |
| Oleksandr | Karamushka | Dnipro State Agrarian and Economic University | 2 |