Pornbandid, P. . (2024) “Perception and Attitude Towards Self-Directed Learning of Undergraduate Students, Maha Sarakham Rajabhat University”, Journal of Sustainable Social Development, 2(3), pp. 1–20. available at: https://so16.tci-thaijo.org/index.php/J_SSD/article/view/564 (accessed: 30 April 2025).