Therayan Chotipaporn. 2001. Knowledge attitude and participation on wastewater management of Subdistrict Administration Organization members : a case study of Muang district Samutsakhon province. Field of Study Technology of Environmental Planning for Rural Development, Mahidol University;
Therayan Chotipaporn. (2001) Knowledge attitude and participation on wastewater management of Subdistrict Administration Organization members : a case study of Muang district Samutsakhon province . Mahidol University/Bangkok.
Therayan Chotipaporn. Knowledge attitude and participation on wastewater management of Subdistrict Administration Organization members : a case study of Muang district Samutsakhon province. . Bangkok:Mahidol University, 2001.
Therayan Chotipaporn. (2001) Knowledge attitude and participation on wastewater management of Subdistrict Administration Organization members : a case study of Muang district Samutsakhon province . Mahidol University/Bangkok.