Suwannasri, S. and Sangngam, K. (2026) “Development of Scientific Problem-Solving Ability through Problem-Based Learning Combined with Higher-Order Questioning Techniques among Grade 5 Students”, Journal of Education Rajabhat Maha Sarakham University. Maha Sarakham, Thailand, 23(2), pp. 385–396. available at: https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/292815 (accessed: 15 September 2026).