SOIKUDRUA, B.; NONTAPA, R. A study of Mathematical Problem-solving Ability Using Problem-Based Learning of Grade 7th students. Journal of Education Rajabhat Maha Sarakham University, Maha Sarakham, Thailand, v. 21, n. 2, p. 49–57, 2024. Disponível em: https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/271605. Acesso em: 27 aug. 2026.