BAIKULAB, K. .; JUITHONG, S. .; KANREUTAI , K. The Effects of Problem-Based Learning Activities in Mathematics towards Equation Problem Solving Ability of Grade 6 Students . Muban Chombueng Rajabhat University Research Journal (Humanities and Social Science), Ratchaburi, Thailand, v. 7, n. 1, p. 140–152, 2020. Disponível em: https://so03.tci-thaijo.org/index.php/hssj/article/view/248502. Acesso em: 19 may. 2024.