Suwanprapha, Naruepon. “Leader Potential Development of Subdistrict Headman and Village Headman in Khung Lan Subdistrict, Bang Pa-in District, Phra Nakorn Si Ayutthaya Province”. Political Science Critique 7, no. 14 (February 4, 2022): 39–54. accessed December 9, 2025. https://so01.tci-thaijo.org/index.php/PSC/article/view/254660.