| Имя: | Olga Rybalko |
| ID | 3300 |
| Ученая степень, звание, научные интересы. | 2The teacher of mathematics teaching methods in primary school and the methodology of teaching computer science in elementary grades Pedagogical College, Pryluky. Ukraine. |
| Эл.почта: | RybalkoOlga2009@rambler.ru |