Trivedy, R K  & Kumar, Arvind <br/><br/>
Ecotechnology for pollution control and environmental management 

 - Enviro Media, Karad  1998 
 - x,322p ill. 
<br/><br/><label>ISBN: </label>81-86421-0303 
<br/><br/><label>Dewey Class. No.: </label>614.7 Tri/Kum