Nattha Paengkamta และ Piyaporn Boonsed;Thanapat Jongmeesuk;Rachata Ubollert;Thanyarat Phutthipongchaicharn. (2021) Efficiency of Service to People Ban Chan Subdistrict Administrative Organization Phutthaisong District Buriram Province. <i>Interdisciplinary Academic and Research Journal</i>, <i>1</i>(4), 1_12.Nattha Paengkamta และ Piyaporn Boonsed;Thanapat Jongmeesuk;Rachata Ubollert;Thanyarat Phutthipongchaicharn. "Efficiency of Service to People Ban Chan Subdistrict Administrative Organization Phutthaisong District Buriram Province". Interdisciplinary Academic and Research Journal 1 (2021):1_12.Nattha Paengkamta และ Piyaporn Boonsed;Thanapat Jongmeesuk;Rachata Ubollert;Thanyarat Phutthipongchaicharn. Efficiency of Service to People Ban Chan Subdistrict Administrative Organization Phutthaisong District Buriram Province. DR.KEN Institute of Academic Development and Promotion:ม.ป.ท. 2021.