Paengkamta, N., Boonsed, P., Jongmeesuk, T., Ubollert , R. and phutthipongchaicharn, T. (2021) “Efficiency of Service to People Ban Chan Subdistrict Administrative Organization Phutthaisong District Buriram Province”, Interdisciplinary Academic and Research Journal . Maha Sara Kham, TH, 1(4), pp. 1–12. doi: 10.14456/iarj.2021.16.