Hariharaputhran, Arnmula, Ed. <br/><br/>
Brain box 21st century book of knowledge (m) 

 -  Universal Press & Publications, TVPM  1998 
 - 1004 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General encyclopedic works-Malayalam
<br/><br/><label>Dewey Class. No.: </label>R 03M  HAR-B