Phetkham, S., & Sovajassatakul, T. (2022). A DEVELOPMENT OF MULTIMEDIA COURSEWARE USING THE SELF-DIRECTED LEARNING ON COMPUTER ASSEMBLY FOR STUDENT AT THE SECOND YEARS VOCATIONAL CERTIFICATE LEVEL. Journal of Industrial Education, 21(3), 99–108. retrieved from https://ph01.tci-thaijo.org/index.php/JIE/article/view/244701 (Original work published December 27, 2022)