ศิริรัตน์ นิรันดร์. “The Process of Development to Happiness on Buddhism”. Journal of Buddhist Studies Chulalongkorn University 26, no. 2 (July 2, 2019): 74–91. Accessed May 7, 2024. https://so02.tci-thaijo.org/index.php/jbscu/article/view/189212.