Kinboon, Nittayaporn. “The Development of Active Learning Process to Develop Problem-Solving Skills and Achievement in Science and Technology for teaching Grade 11 students by Using Project Based Learning”. Journal of Teacher Professional Learning Community (JTPLC) (Online) 2, no. 2 (December 31, 2022): 251–264. accessed September 2, 2026. https://so05.tci-thaijo.org/index.php/JTPLC/article/view/262464.