Pandey, G.N. .
Environmental management / by G.N. Pandey. - New Delhi : Vikas Publishing House Pvt. Ltd., , 1997 - 398p ;
81-259-0293-7
Environmental management
G:55 / N7;3
Environmental management / by G.N. Pandey. - New Delhi : Vikas Publishing House Pvt. Ltd., , 1997 - 398p ;
81-259-0293-7
Environmental management
G:55 / N7;3