Suwanprapha, Naruepon. 2022. “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 (14):39-54. https://so01.tci-thaijo.org/index.php/PSC/article/view/254660.