Purohit,S.S
Air environment and pollution. - 1st ed. - India : AGROBIOS, 2008. - 244p.;
8177541609
Social ecology
Environmental policy
Environmentalism--Social aspects
304.2 Purohit 30174 1st 2008 En.Science
Air environment and pollution. - 1st ed. - India : AGROBIOS, 2008. - 244p.;
8177541609
Social ecology
Environmental policy
Environmentalism--Social aspects
304.2 Purohit 30174 1st 2008 En.Science