Hariharaputhran, Arnmula, et al. <br/><br/>
Brain box 21st century book of knowledge (m) / 
Hariharaputhran, Arnmula, et al. 
 -  Universal Press & Publications, TVPM,  1996 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General encyclopedic works-Malayalam
<br/><br/><label>Dewey Class. No.: </label>R 03M HAR-B