SHABATOVA RABIGA JANASBAY-KIZI. Effectiveness of organizing mathematical circles in primary grades. Journal of Ethics and Diversity in International Communication, [S. l.], v. 3, n. 6, p. 32–35, 2023. Disponível em: https://oajournals.net/index.php/jedic/article/view/2205. Acesso em: 6 may. 2025.