Environmental pollution and hazards
Patro, L. R.
Environmental pollution and hazards by L.R. Patro and R.L.Panigrahy - New Delhi Discovery Publishing House 2008 - 186p.; 18 cm.
9788183563215
Pollution
Environmental hazards
333.7 / PAT
Environmental pollution and hazards by L.R. Patro and R.L.Panigrahy - New Delhi Discovery Publishing House 2008 - 186p.; 18 cm.
9788183563215
Pollution
Environmental hazards
333.7 / PAT