Singh ,Sanjay Kumar <br/><br/>
Pteridophyta / 
Sanjay Kumar Singh 
 - New Delhi :  Campus Books,  2008 
 - 291 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>8180301476  RM127.90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pteridophyta<br/>Pteridophyta--Classification