KRISHNAKUMAR, S. <br/><br/>
CHERUKIDA VYAVASAYA VIKASANAM KERALATHIL 

 - 1st Ed. 
 - Trivandrum  Kerala Bhasha Institute, Thiruvananthapuram   1975 
<br/><br/><label>Dewey Class. No.: </label>338.009 54  / KRI/C