Pandey, S. N., and Misra, S. P. <br/><br/>
Enviornmental and Ecology 

 - New Delhi  Ane Books Pvt. Ltd.  2011 
 - 708 
<br/><br/><label>ISBN: </label>9789381162149 
<br/><br/><label>Publisher. No.: </label> College Book House 
<br/><br/><label>Subjects--Personal Names: </label> Social Work 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Work