m.g.s  narayanan <br/><br/>
charithram vyavaharam:keralavum bharathavum 

 - kottayam  current books  2015 
<br/><br/><label>ISBN: </label>978-81-1278-3 
<br/><br/><label>Dewey Class. No.: </label>8M8  / NAR/C