สิงห์ตระหง่าน ชไนพร. “The Application of the Principles of Sufficiency Economy Philosophy for Living: A Case Study of Ban Wang Nokhai Community, Samut Sakhon”. Journal of Humanities and Social Sciences, Rajapruk University 4, no. supplement (December 24, 2018): 55–69. Accessed April 19, 2024. https://so03.tci-thaijo.org/index.php/rpu/article/view/159610.