Vorapong Sirikulchayanont A techno-economic aproach on water quality management a case applied to the Mae-Klong River / by Vorapong Sirikulchayanont - Bangkok Thammasat University 1978 - 79 p. ; 27 cm. Thesis (M. Ec) - Thammasat University, 1979 p. 78-79 Subjects--Topical Terms: Water quality--Thailand--Management