Phongyubol, P., Y. Praneet, S. Suyaprom, P. Prutyanggoon, and P. Nantiyakoon. “PROMOTION DEMOCRACY REGIME OF THE PEOPLE OF SUB-DISTRICT ADMINISTRATION ORGANIZATION IN PHAK HAI DISTRICT, AYUTTHAYA PROVINCE”. Journal of MCU Nakhondhat, vol. 8, no. 7, June 2021, pp. 90-103, https://so03.tci-thaijo.org/index.php/JMND/article/view/253508.