Thapphet, Saowanee, Apipa Prachyapruit, and Varaporn Bovornsiri. “The Development of Accelerated Learning System to Enhance Motivation in Business English Learning for Undergraduate Programs”. International Journal of Social Sciences and Management 4, no. 3 (July 27, 2017): 185–191. Accessed April 23, 2024. https://www.nepjol.info/index.php/IJSSM/article/view/17451.