Rao,P Venugopala <br/><br/>
Principles of environmental science and engineering 

 - New Delhi:  PHI Learning Private Limited,  2016. 
 - xii, 276 p. 
<br/><br/><label>ISBN: </label>9788120328938 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental engineering<br/>Environmental science
<br/><br/><label>Dewey Class. No.: </label>628 RAO