Sarkar,S. <br/><br/>
Text Book of environmental Science. 

 - 1st 
 - New Delhi  APH Pub Crporation  2014 
 - 408 
 -  I .
<br/><br/><label>ISBN: </label>9789331321916 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management.
<br/><br/><label>Dewey Class. No.: </label>363.7  / S71T