CHAISRISA, P.; BUNJONGPARU, N. The Development of Mathematics Skill Exercise Based on Polya’s Concept on Circles to Enhance Problem-Solving Skills of Grade 6 Students. Journal of Modern Learning Development, [S. l.], v. 9, n. 1, p. 52–67, 2024. Disponível em: https://so06.tci-thaijo.org/index.php/jomld/article/view/264479. Acesso em: 16 sep. 2026.