PUDPUY, P.; SUIKRADUANG, A. The Development of Learning Activity on the Problem Solving Ability, Entitled Natural Resource and Environment Crisis in the Social Studies, Religion and Culture Learning Area for Mathayomsuksa 6 Students. Journal of Education Rajabhat Maha Sarakham University, Bangkok, Thailand, v. 18, n. 1, p. 119–131, 2021. Disponível em: https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/251568. Acesso em: 20 apr. 2024.