Periyar University <br/><br/>
BSC; Environmental Technology/ 
Periyar University 
 -  Periyar University, 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Env Science
<br/><br/><label>Dewey Class. No.: </label>628.9  / PER