เพชรสวัสดิ์ พระณัฐนันท์. “THE ROLES OF PHRAKHRUWISUTTHIBUNYADIT (NUAL PARISUTTHO) IN COMMUNITY DEVELOPMENT”. Journal of MCU Nakhondhat 5, no. 3 (December 31, 2018): 617–635. Accessed April 29, 2024. https://so03.tci-thaijo.org/index.php/JMND/article/view/154131.