Paryavaran Vigyan Vishwakosh : paryavaraniya samasya /
Khan, Wasim Ahmad.
Paryavaran Vigyan Vishwakosh : paryavaraniya samasya / by Wasim Ahmad Khan; Khand- 5 - 1st ed. - New Delhi : Rajat Prakashan , 2011 - v,272p.
9788190724654
Social Sciences
Social Problems and Services
Environmental Sciences
Environmental Aspects
Encyclopedia
363.7 / K55P
Paryavaran Vigyan Vishwakosh : paryavaraniya samasya / by Wasim Ahmad Khan; Khand- 5 - 1st ed. - New Delhi : Rajat Prakashan , 2011 - v,272p.
9788190724654
Social Sciences
Social Problems and Services
Environmental Sciences
Environmental Aspects
Encyclopedia
363.7 / K55P