Lertsuthipol N, Photisuvan C, Saisophon P. Perceptions Towards Andragogy and Self-Directed Learning Readiness of Thai Learners Learning English with Two Different Types of Motivation. Dusit Thani College J [internet]. 2020 Apr. 12 [cited 2025 Dec. 10];13(3):425-37. available from: https://so01.tci-thaijo.org/index.php/journaldtc/article/view/241128