Khiaokaeo, Dhammarut. “Management Efficiency of the Administrators of the Subdistrict Administrative Organization in Sing Buri Province”. Journal of Yanasangvorn Research Institute Mahamakut Buddhist University 14, no. 2 (December 26, 2023): 120–131. Accessed May 13, 2024. https://so04.tci-thaijo.org/index.php/yri/article/view/269621.