| First Name | Last Name | Institutions | Articles |
|---|---|---|---|
| Olha | Brovko | Simon Kuznets Kharkiv National University of Economics | 2 |
| Olga | Cherednichenko | Bratislava University of Economics and Management | 2 |
| Osama | Wagdi | Modern University for Technology and Information; International Academy For Engineering & Media Science |
2 |
| Oleg V. | Zakharchenko | Odessa State Academy of Civil Engineering and Architecture | 2 |
| Oksana | Havrysh | State University of Telecommunications | 2 |
| Oktay | Mamedov | Southern Federal University | 2 |
| Oxana | Afanasyeva | Financial University under the Government of the Russian Federation; Institute ITKOR |
2 |
| Ona Gražina | Rakauskienė | Mykolas Romeris University | 2 |
| Olga | Lingaitienė | Vilnius Gediminas Technical University (VILNIUS TECH) | 2 |
| Oleksandr | Karamushka | Dnipro State Agrarian and Economic University | 2 |
| Omar A. | Alismaiel | King Faisal University | 2 |
| Oleksandra | Gron | Simon Kuznets Kharkiv National University of Economics | 2 |
| Oleg | Metsik | Institute of Economics, the Ural Branch of Russian Academy of Sciences; LLP "Regional Center Of Lean Technologies "SIMKON" |
3 |
| Olawale | Fatoki | University of Limpopo | 4 |
| Oleg | Rybalkin | Daugavpils University | 6 |
| Olga Yurievna | Voronkova | Altai State University | 10 |
| Olga | Lavrinenko | Daugavpils University | 14 |
| Oksana | Ruža | Daugavpils University | 19 |