Paryavaran Vigyan Vishwakosh : paryavaran pradushan aur sanrakshan /
Khan, Wasim Ahmad.
Paryavaran Vigyan Vishwakosh : paryavaran pradushan aur sanrakshan / by Wasim Ahmad Khan; Khand- 3 - 1st ed. - New Delhi : Rajat Prakashan , 2011 - v,288p.
9788190724654
Social Sciences
Social Problems and Services
Environmental Sciences
Environmental Aspects
Encyclopedia
363.7 / K55P
Paryavaran Vigyan Vishwakosh : paryavaran pradushan aur sanrakshan / by Wasim Ahmad Khan; Khand- 3 - 1st ed. - New Delhi : Rajat Prakashan , 2011 - v,288p.
9788190724654
Social Sciences
Social Problems and Services
Environmental Sciences
Environmental Aspects
Encyclopedia
363.7 / K55P