Vishnoi, H.S. <br/><br/>
Concise biology :  Part-I (Class IX)  
/ by H.S. Vishnoi 
 - New Delhi :  Selina Publishers,  2009. 
 - viii, 171 p. :  ill, maps ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology; Environmental education.
<br/><br/><label>Dewey Class. No.: </label>371.32 VIS  / 2170