PILLAI, G.R. <br/><br/>
VANIJYAPARAMAYA KATTIDAPADUKAL 

 - 11st Ed. 
 - Trivandrum  Kerala Bhasha Institute, Thiruvananthapuram   2000 
<br/><br/><label>ISBN: </label>81-763 8-201-9 
<br/><br/><label>Dewey Class. No.: </label>657  / PIL/V