Singh, Y.K. <br/><br/>
Environmental Science 

 - 1st Ed. 
 -  New Age International (p) Ltd.  2006 
 - 175p.  24 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>ISBN: </label>8122418481 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>MATH
<br/><br/><label>Universal Decimal Class. No.: </label>SIN