ANDRIANI, P.; J. FRASER, W. How Grade VIII Middle School Students Can Solve Problems Constructing Flat Sided Rooms with Polya Stages. HAMKA INSIGHT, [S. l.], v. 2, n. 1, p. 29–36, 2023. DOI: 10.51574/hamka.v2i1.81. Disponível em: https://sscsi.org/journal/hamka/article/view/81. Acesso em: 11 oct. 2026.