Mahamit, Pornpittaya, and Chuanpit Sriwichai. “Investigation of Self-Directed Learning Performance of Undergraduate Students in English Writing Course”. Journal of MCU Humanities Review 9, no. 1 (June 28, 2023): 279–294. Accessed May 17, 2024. https://so03.tci-thaijo.org/index.php/human/article/view/263309.