สร้อยกุดเรือ ท. (2017) “SMILE model: 5 Steps for self-introduction in public speaking”, Journal of Liberal Arts Prince of Songkla University, 9(2), pp. 188–211. available at: https://so03.tci-thaijo.org/index.php/journal-la/article/view/107723 (accessed: 12 September 2026).