Sinha,A K <br/><br/>
Water pollution: conservation and management 

 - Nainital  Gyanodaya  1998 
 - 378 
<br/><br/><label>ISBN: </label> 380.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science
<br/><br/><label>Dewey Class. No.: </label>363.7394  WAT