STACEY, Kaye. Looking back on Pólya’s teaching of problem solving. Teaching Mathematics and Computer Science, [S. l.], v. 20, n. 2, p. 207–217, 2022. DOI: 10.5485/TMCS.2022.0533. Disponível em: https://ojs.lib.unideb.hu/tmcs/article/view/12082.. Acesso em: 4 jul. 2024.