Trivedi, P. R. creator text New Delhi APH Publishing Corporaton 1998 monographic 6. v ; (v 1. 225 ; v 2. 168 ; v 3. 213 ; v 4. not available ; v 5. not available ; v 6. 161) 6. v ; v 1. State of India's environment ; v 2. Environmental Impact assessment ; v 3. Natural resources conservation ; v 4. not available ; v 5. not available ; v 6. Environmental pollution and control by P. R. Trivedi Environmental management -- India -- Encyclopedias Ecology -- India -- Encyclopedias Human ecology -- Study and teaching -- India -- Encyclopedias 363.703 TRI 8176480002 A-943874 Cen Lib / Ret DPL EN