Piyapong Doungheam. 2002. Potentialities of members of the Administrative Subdistrict Organization to take over administrative duties in water supply to villages from the Department of Health : a case study of the Administrative Subdistrict Organization level 3. 4 and 5 in Ratchaburi province. Field of Study Environmental Planning for Community and Rural Development, Mahidol University;
Piyapong Doungheam. (2002) Potentialities of members of the Administrative Subdistrict Organization to take over administrative duties in water supply to villages from the Department of Health : a case study of the Administrative Subdistrict Organization level 3. 4 and 5 in Ratchaburi province . Mahidol University/Bangkok.
Piyapong Doungheam. Potentialities of members of the Administrative Subdistrict Organization to take over administrative duties in water supply to villages from the Department of Health : a case study of the Administrative Subdistrict Organization level 3. 4 and 5 in Ratchaburi province. . Bangkok:Mahidol University, 2002.
Piyapong Doungheam. (2002) Potentialities of members of the Administrative Subdistrict Organization to take over administrative duties in water supply to villages from the Department of Health : a case study of the Administrative Subdistrict Organization level 3. 4 and 5 in Ratchaburi province . Mahidol University/Bangkok.