Untited Nationas Education of Scientific and Cultural Organization <br/><br/>
Unesco Handbook for Biology Teachers in Asia 

 - New Delhi  Pearl offset  Press Pvt Ltd  1986 
 - 606p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>92-3-102247-4 
<br/><br/><label>Dewey Class. No.: </label>371.302814  / UNESCO