สุวรรณมณี อมรรัตน์. “The Development of Self - Directed Learning Management Model for Thai Students”. Journal of MCU Social Science Review 6, no. 2-04 (April 13, 2020): 751–760. Accessed May 19, 2024. https://so03.tci-thaijo.org/index.php/jssr/article/view/241705.