De, Anil Kumar <br/><br/>
Basics of envirenmental studies 

 - New Delhi :  New Age International,  1994 
 - 130. 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitary municipal engineering
<br/><br/><label>Dewey Class. No.: </label>628.5  / DE