Uberoi, N K .
Environmental management / - 2 / - New Delhi : Excel Books , 2010. - 414p. ;
81-7446-340-2
Environmental management
333.7 / UBE/E
Environmental management / - 2 / - New Delhi : Excel Books , 2010. - 414p. ;
81-7446-340-2
Environmental management
333.7 / UBE/E