Talangwit J. Self-Directed Learning Characteristic of Undergrad Student, Faculty of Education, Bunditpatanasilapa Institute. WJLI [internet]. 2019 Jun. 28 [cited 2026 Sep. 11];5(1):1-19. available from: https://so03.tci-thaijo.org/index.php/jliwu/article/view/159709