Khanna, D R <br/><br/>
Waste products and pollution 

 - New Dehli  Discovery Publishing 
 - Hard Binding            219 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9790000000000 
<br/><br/><label>Subjects--Topical Terms: </label>--Waste products, pollution
<br/><br/><label>Dewey Class. No.: </label>363.728 KHA-W