Teacher’s Conceptions and Beliefs in Orienting the Solution of Problems of Additive Structure. Global Journal of Human-Social Science, [S. l.], v. 20, n. G9, p. 19–26, 2020. Disponível em: https://socialscienceresearch.org/index.php/GJHSS/article/view/102230. Acesso em: 19 feb. 2026.