Chalermnirundorn, Nipaporn, and Gary Torremucha. “THE THE DEVELOPMENT OF ONLINE INSTRUCTIONAL MEDIA FOR INDEPENDENT LEARNING OF ENGLISH IN TERTIARY LEVEL EDUCATION”. Phranakhon Rajabhat Research Journal : Humanities and Social Sciences 15, no. 1 (September 2, 2019): 99–116. accessed September 23, 2026. https://so05.tci-thaijo.org/index.php/PNRU_JHSS/article/view/183283.