Purohit, , S. S. <br/><br/>
Environmental sciences: a new approach 

 - Jodhpur  Agrobios (India)  2012 
 - 397p. 
<br/><br/><label>ISBN: </label> RS 1200.00 
<br/><br/><label>Source: </label> RS 1200.00 
<br/><br/><label>Dewey Class. No.: </label>304.2 PUR