Sovajassatakul T, Phetkham S. A DEVELOPMENT OF MULTIMEDIA COURSEWARE USING THE SELF-DIRECTED LEARNING ON COMPUTER ASSEMBLY FOR STUDENT AT THE SECOND YEARS VOCATIONAL CERTIFICATE LEVEL. ๋JIE [internet]. 2022 Dec. 29 [cited 2025 Mar. 13];21(3):99-108. available from: https://ph01.tci-thaijo.org/index.php/JIE/article/view/244701