PODAYEVA, N. G.; PODAYEV, M. V.; AGAFONOV, P. A. The social and cultural approach to forming geometric concepts among schoolchildren. Amazonia Investiga, [S. l.], v. 8, n. 20, p. 459–467, 2019. Disponível em: https://amazoniainvestiga.info/index.php/amazonia/article/view/175. Acesso em: 3 jul. 2024.