ARIFIN, Z.; BONYAH, E. Tracing the Roots of Error: A Polya Method Analysis on Student Problem Solving in Curved Surface Solids. International Journal of Geometry Research and Inventions in Education , [S. l.], v. 1, n. 1, p. 21–30, 2024. DOI: 10.56855/gradient.v1i01.1144. Disponível em: https://journals.eduped.org/index.php/Gradient/article/view/1144. Acesso em: 21 dec. 2025.