Environmental impact of sewage and effluent disposal on the river system
Palharya , J.P.
Environmental impact of sewage and effluent disposal on the river system - New Delhi Ashish Publishing 1993 - [ix],179 p. Illustration 21 cm.
8170245400
ENVIRONMENTAL IMPACT STUDIES
ECONOMICS
333.14 / PAL
Environmental impact of sewage and effluent disposal on the river system - New Delhi Ashish Publishing 1993 - [ix],179 p. Illustration 21 cm.
8170245400
ENVIRONMENTAL IMPACT STUDIES
ECONOMICS
333.14 / PAL