Dhami, P S, <br/><br/>
A textbook of biology Xii  Textual Documents 
by P S Dhami, G Chopra, H N Srivastava 
 - Throughly rev and updated 31st ed. 
 - Punjab  Pradeep Publications  2016 
 - 1086pg:  27cm. 
<br/><br/><label>ISBN: </label>9788193218082 
<br/><br/><label>Subjects--Index Terms: </label>Biology G-Biology 
<br/><br/><label>Dewey Class. No.: </label>574