Hutakamol ธ. . ., Somthai ป. . ., and Ruangchewin ภ. . “Stress to Transformation: A View of Stress into Line and Colors of Professors”. KKU Research Journal (Graduate Studies) Humanities and Social Sciences, vol. 8, no. 3, Dec. 2020, pp. 87-96, https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/247814.