Srimorot, S., & Anutragulchai, R. (2020). Development of Analytical Thinking Ability and Learning Achievement with Problem-Based Learning Management for Prathom Suksa 6 Students. Academic Journal of Mahamakut Buddhist University Roi Et Campus, 10(1), 395–405. Retrieved from https://so01.tci-thaijo.org/index.php/AJMBU/article/view/247236