Vidya Thakur. <br/><br/>
Text book of environmental science 

 - Jodhpur  Scientific Publishers  2012 
 - xvi,307p. 
<br/><br/><label>ISBN: </label> RS 990.00 
<br/><br/><label>Source: </label> RS 990.00 
<br/><br/><label>Dewey Class. No.: </label>304.2 VID