Wongsuriya, Wipada, Pattanapong Sinpaitoon, and Peerapong Chanhom. 2020. “THE DEVELOPMENT OF ELECTRICAL CIRCUIT TRAINING PACKAGE OF SPLIT TYPE AIR CONDITIONING ON REFRIGERATION AND AIR CONDITIONING”. Journal of Industrial Education 19 (1):68-74. https://ph01.tci-thaijo.org/index.php/JIE/article/view/223630.