Rao,P.Venugopala <br/><br/>
Principles of Environmental Science and Engineering 
P.Venugopala Rao 
 - New Delhi  PHI Learning  2012 
 - xii,276 p.:  24 cm 
<br/><br/><label>ISBN: </label>9788120328938 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science, Engineering
<br/><br/><label>Dewey Class. No.: </label>628  / RAO-P 2012 901805