Smithirak Jantarak ส. จ. (2018) “Instructional Model Development of General Education in Thai Qualifications Framework for Higher Education (TQF : Hed) of General Education Program at Dusit Thani College, Bangkok”, Dusit Thani College Journal, 12(1), pp. 263–278. available at: https://so01.tci-thaijo.org/index.php/journaldtc/article/view/118165 (accessed: 26 January 2025).