| First Name | Last Name | Institutions | Articles |
|---|---|---|---|
| Oliver | Pisar | Technical University of Košice | 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 |
| Olga Valeryevna | Kozminykh | Saint Petersburg State University | 1 |
| Oleksandr | Litvinov | Odessa National University of Economics | 1 |
| Olena | Hryhorevska | Kyiv National University of Technologies and Design | 1 |
| Olga | Lenkova | Tyumen Industrial University | 1 |
| Olga | Zinisha | Kuban State Agrarian University | 1 |
| Oliver | Bubelíny | University of Žilina | 1 |
| Oleksandra | Storozhenko | Kharkiv National University of Radio Electronics | 1 |
| Olena O. | Alieksieichuk | International University of Business and Law | 1 |
| Olga | Zlyvko | Moscow Power Engineering Institute | 1 |
| Oksana | Lavruk | State Agrarian and Engineering University in Podilia | 1 |
| Olga V. | Tolstyakova | Plekhanov Russian University of Economics | 1 |
| Oleg Anatolyevich | Blinov | Omsk State Agrarian University after P.A. Stolypin | 1 |
| Ovidiu Niculae | Bordean | Babeș-Bolyai University | 1 |
| Olena | Danchenko | Cherkasy State Technological University | 1 |