| Name: | Olga Rybalko |
| ID | 10407 |
| Degree, academic status, place of employment, interests.... | PhD in pedagogic sciences, teacher of mathematics, Pryluky Humanitarian and Pedagogical College named after I.Ya. Franko, Pryluky, Peremohy 170. Ukraine |
| E-mail: | olgarybalko07@gmail.com |