เหลาสา น. A Study of Problem-Solving Ability of Grade 9 Students Using Problem-Based Learning and The Learning Together Technique (LT) in The Civics, Culture and Social Life Course. Journal of Education Khon Kaen University (Graduate Studies Research), [S. l.], v. 11, n. 3, p. 106–115, 2018. Disponível em: https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/124312. Acesso em: 12 apr. 2025.