| First Name | Last Name | Institutions | Articles |
|---|---|---|---|
| Oksana | Ivashchenko | Bratislava University of Economics and Management; National Technical University "Kharkiv Polytechnic Institute" |
2 |
| Olga | Gogulya | National University of Life and Environmental Sciences of Ukraine | 2 |
| Olha | Brovko | Simon Kuznets Kharkiv National University of Economics | 2 |
| Oľga | Roháčiková | Slovak University of Agriculture in Nitra | 1 |
| Oksana | Brusakova | Kharkiv National University of Internal Affairs | 1 |
| Olga V. | Otto | Altai State University | 1 |
| Omar | Alenzi | Imam Abdulrahman Bin Faisal University | 1 |
| Oleksandr | Yunin | Dnipropetrovsk State University of Internal Affairs | 1 |
| Olena | Taranenko | Taras Shevchenko National University of Kyiv | 1 |
| 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 |
| Olha | Alieksieieva | State Research Institute of the Ministry of Internal Affairs of Ukraine | 1 |
| Oleksandr | Bryhinets | Khmelnytsky University of Management and Law | 1 |
| Olena | Moskvichova | Vinnytsia Finance and Economics 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 |
| Oliver | Pisar | Technical University of Košice | 1 |
| Oleksandr | Shmatko | National Technical University "Kharkiv Polytechnic Institute" | 1 |