KUMARAN.T.V
Environmental pollution /T. Vasantha Kumaran, S. Antony Norbert - 1 st ed. - Colombo Kumaran Book House 2007 - 69 pages.- - Monograph series in geography V.2 .
Manograph Series in Geography: 2
978955659079X
Pollution
Environmental pollution
363.7 / VAS
Environmental pollution /T. Vasantha Kumaran, S. Antony Norbert - 1 st ed. - Colombo Kumaran Book House 2007 - 69 pages.- - Monograph series in geography V.2 .
Manograph Series in Geography: 2
978955659079X
Pollution
Environmental pollution
363.7 / VAS