prainetr, S., K. Yotmongkol, and N. Prainetr. “Development of Teaching Electrical Technology Integrating PBL and CBL and Supporting STEM Education”. Engineering and Applied Science Research, vol. 45, no. 1, Feb. 2018, pp. 65-69, https://ph01.tci-thaijo.org/index.php/easr/article/view/96766.