| First Name | Last Name | Institutions | Articles |
|---|---|---|---|
| Osama Hamad | Alowaimer | Majmaah University | 1 |
| Olena | Bielova | «KROK» University | 1 |
| Olga | Poniščiaková | University of Žilina | 1 |
| Oksana | Plekhanova | Petro Mohyla Black Sea State University | 1 |
| Olga Nicolaevna | Bykova | Plekhanov Russian University of Economics | 1 |
| Oleg | Barbakov | Tyumen Industrial University | 1 |
| Omar | Diouri | Sidi Mohamed Ben Abdellah University | 1 |
| Oleksandr | Snigerov | National Scientific Centre "Hon. Prof. M.S. Bokarius Forensic Science Institute" | 1 |
| Olexandr | Rozhko | Taras Shevchenko National University of Kyiv | 1 |
| Olga | Bykanova | Plekhanov Russian University of Economics | 1 |
| Oleh | Petryshyn | Yaroslav Mudryi National Law University | 1 |
| Olena | Bohdaniuk | National University of Life and Environmental Sciences of Ukraine | 1 |
| Olga | Marcus | Lesya Ukrainka Eastern European National University | 1 |
| Oksana | Hrytsyna | Lviv National Agrarian University | 1 |
| Olga A. | Latysheva | Altai State University | 1 |
| Ola | Bareja-Wawryszuk | Siedlce University of Natural Sciences and Humanities | 1 |
| Oliver | Klinovský | University of Žilina | 1 |
| Oleksandr | Moroz | Sumy National Agrarian University | 1 |