Sharma,J.P. <br/><br/>
Environmental Studies 

 - 1st. 
 - [s.l]:  Laxmi Publication(p) ltd 
 - 162 p. 
<br/><br/><label>ISBN: </label>81700082552 
<br/><br/><label>Subjects--Personal Names: </label><br/>Environmental Science, Environmental Studies. 
<br/><br/><label>Dewey Class. No.: </label>574.52