Chuayrak, Sukanya, Wisuit Sunthonkanokpong, and Paiboon Pongwongtragull. “COMPETENCY - BASED SKILLS TRAINING FOR REPAIRING ELECTRICAL APPLIANCES PROVINDING HEAT ENERGY”. Journal of Industrial Education 18, no. 1 (April 29, 2019): 170–177. Accessed March 29, 2024. https://ph01.tci-thaijo.org/index.php/JIE/article/view/154244.