Singh, R.P. <br/><br/>
A textbook of biology for class xII 

 - 3rd ed. 
 - Kathmandu  Sukunda pustak bhawan  2009 
 - 725p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology<br/>Science
<br/><br/><label>Dewey Class. No.: </label>570  / Si643t