Saxena, H.M. .
Environmental management / by H.M. Saxena. - 2nd ed. / - Jaipur : Rawat Publication , 2010 - viii, 398p :
81-316-0340-7
Environmental management
G:55 / Q0;4
Environmental management / by H.M. Saxena. - 2nd ed. / - Jaipur : Rawat Publication , 2010 - viii, 398p :
81-316-0340-7
Environmental management
G:55 / Q0;4