Srimorot S, Anutragulchai R. Development of Analytical Thinking Ability and Learning Achievement with Problem-Based Learning Management for Prathom Suksa 6 Students. AJMBU [Internet]. 2020 May 8 [cited 2024 Apr. 20];10(1):395-40. Available from: https://so01.tci-thaijo.org/index.php/AJMBU/article/view/247236