Podapol พิเชษฐ์. 2022. “THE PUBLIC SERVICE QUALITY OF SANOKKEAW SUB-DISTRICT ADMINISTRATIVE ORGANIZATION IN PHONTHONG DISTRICT, ROI – ET PROVINCE”. Srilangchang Research Journal 2 (6):17-25. https://ojs.mbuslc.ac.th/index.php/srj/article/view/148.