Pokong, T., and S. Chapoo. “CONTEXT–BASED LEARNING WITH GAMIFICATION TO DEVELOP CRITICAL THINKING AND PROBLEM SOLVING SKILLS ON WATER SOURCES AND THEIR UTILIZATION OF PRATHOMSUKSA 5 STUDENTS”. Journal of Graduate School Sakon Nakhon Rajabhat University, vol. 23, no. 101, June 2026, pp. 278-96, https://so02.tci-thaijo.org/index.php/SNGSJ/article/view/278303.