UGC sponsored national seminar held on 14th-15th February ,2007 on 'environmental pollution is a threat to the existence of lives : a challenge to the mankind of the world': seminar papers 
organised by Nabajyoti College, Kalgachia 
 - Barpeta,Assam  Nabajyoti College  2007 
 - v.; 25cm. 
<br/><br/><label>Dewey Class. No.: </label>DB614.7091  / UGC