Namboothiri,N.M and Sivadas,P.k <br/><br/>
Keralacharithrathinte Nattuvazhikal/ 
by N.M.Namboothiri and P.K.Sivadas 
 - Kottayam  :DC Books  ,2020 
 - 654p. 
<br/><br/><label>ISBN: </label>978-81-264-1866-4 
<br/><br/><label>Dewey Class. No.: </label>954.83NAM/K