Chutintaranond, T. . C., A. . . Chaiyoopatam, and P. . . Damrhung. “The Accomplishment of Thainess Enhancement Using Drama-Based Instruction Program for Undergraduate Students”. Dusit Thani College Journal, vol. 12, no. 3, Apr. 2020, pp. 414-28, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/240976.