JAISOOK, S.; CHITMONGKOL, S.; THONGTHEW, S. A Mathematics Instructional Model by Integrating Problem-Based Learning and Collaborative Learning Approaches. Humanities, Arts and Social Sciences Studies, [S. l.], v. 13, n. 2, p. 271–294, 2013. Disponível em: https://so02.tci-thaijo.org/index.php/hasss/article/view/14507. Acesso em: 8 apr. 2025.