Kumar, Arvind <br/><br/>
Water pollutions and assesment and management 
Arvind Kumr 
 - Delhi  Daya Publishing House  2003 
 - 520p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water pollutions
<br/><br/><label>Dewey Class. No.: </label>627 KUM