บุญปวงจ., จันทัพป., and นัยจรัญข. “Lhong Fai : A Character Analysis Using Abraham Maslow’s Hierarchical Theory of Motivation”. Journal of Humanities and Social Sciences University of Phayao, Vol. 7, no. 1, Mar. 2019, pp. 101 -22, https://www.tci-thaijo.org/index.php/Humanties-up/article/view/206365.