Pooja <br/><br/>
Pteridophyta 

 - New Delhi  Discovery Publishing House  2004 
 - 208p. 
<br/><br/><label>ISBN: </label> RS 450.00 
<br/><br/><label>Source: </label> RS 450.00 
<br/><br/><label>Dewey Class. No.: </label>587 POO