butakhieo, yupin, and ratchada phakdeeying. “New Normal Services Quality of the Registration Office, Kaeng Khro District, Chaiyaphum Provinc”. Journal of Modern Learning Development 8, no. 6 (June 30, 2023): 119–134. accessed October 4, 2026. https://so06.tci-thaijo.org/index.php/jomld/article/view/260837.