TY - BOOK AU - Krishna,K.V.S.G.Murali ED - National Institute of Ecology and Enviroment (Kakinada, A.P., India) TI - Rural, municipal and industrial water management U1 - 628.1 PY - 1998/// CY - Kakinada PB - National Institute of Ecology and Enviroment KW - Water quality management N1 - Environmental protection society ER -