1.
Kladchuen R, Srisomphan J. The Synthesis of a Model of Problem-Based Learning With the Gamification Concept to Enhance the Problem-Solving Skills for High Vocational Certificate. Int. J. Emerg. Technol. Learn. [Internet]. 2021 Jul. 28 [cited 2024 Nov. 22];16(14):pp. 4-21. Available from: https://online-journals.org/index.php/i-jet/article/view/20439