Environmental management
Pandey, G N
Environmental management Pandey, G N - - Vikas Publishing House Pvt. Ltd., New Delhi 2009 - 398 p - .
Environmental management--Ecosystems
577.17 PAN-E
Environmental management Pandey, G N - - Vikas Publishing House Pvt. Ltd., New Delhi 2009 - 398 p - .
Environmental management--Ecosystems
577.17 PAN-E