WALKER, J. M.; SCANGA, B. C. Problem Solving the Hungarian Way (Part 2) (pp. 9--15). Ohio Journal of School Mathematics, [S. l.], v. 83, n. 1, 2019. Disponível em: https://www.osu.tests.sfulib4.publicknowledgeproject.org/index.php/OJSM/article/view/7076. Acesso em: 29 apr. 2026.