Kalyani, V. <br/><br/>
Know your world 

 - 6 
 - Thiruvananthapuram  Siso publishers  2002 
 - 239 p. : ill.  
<br/><br/> Compiled by Kalyani V. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals, birds and plants -- World<br/>Human body and health<br/>Science and technology -- Earth and universe