Basu, S. K. <br/><br/>
Questions and answers in environmental science 
S. K. Basu and A. K. De 
 - Hyderabad  Universities Press  2005 
 - 382 P 
<br/><br/><label>ISBN: </label> Rs. 210 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science
<br/><br/><label>Dewey Class. No.: </label>333.7  / BAS