ตันเจริญ ปิยะนุช, and โตประสี สุรศักดิ์. 2018. “Quality of Social Welfare Service in Nongchumpolneau Subdistrict Administrative Organization Khaoyoi District, Phetchaburi Province”. Journal of Information Technology and Innovation 17 (1):83-96. https://so03.tci-thaijo.org/index.php/oarit/article/view/137531.