Rao, P.Venugopal <br/><br/>
Principles Of Environmental Science And Engineering  Book 
Rao. 
 - New Delhi :  PHI Learning,  2012 
 - xii, 276 p. : 
<br/><br/> All. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9788120328938 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science
<br/><br/><label>Dewey Class. No.: </label>628