Das, Valanjavattam <br/><br/>
Gramavyavasayabodhini 

 - Kollam  Sreeramavilasam Press  1961 
 - 222p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label> 100 
<br/><br/><label>Dewey Class. No.: </label>P38  / D260