Asthana, D.K. <br/><br/>
A textbook of environmental studies   for undergraduate students as fer UGC syllabus 

 - New Delhi<br/>  S.Chand and Company Ltd  2006 
 - 460p. 
<br/><br/><label>ISBN: </label>8121927641 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>333.707  / AST