Ratana, Pakdeekul, and Phairot Chaimuangchun. “The Study of Kruba Chao Srivichai’s Characteristics As a Role Model of Ethical and Moral Global Citizenship”. Integrated Social Science Journal, Mahidol University 10, no. 1 (July 23, 2023): 127–157. Accessed May 28, 2024. https://so02.tci-thaijo.org/index.php/isshmu/article/view/260385.