RAVANGJAI, S.; KAEWTA, R.; KHAMPUANG, T. The Development of Mathematical Problem-Solving Ability in Statistics among Grade 7 Students through Project-Based Learning Combined with the STAD Cooperative Learning Technique. Journal of Education Rajabhat Maha Sarakham University, Maha Sarakham, Thailand, v. 23, n. 2, p. 266–275, 2026. Disponível em: https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/286317. Acesso em: 17 sep. 2026.