Gopalakrishnan, Naduvattom <br/><br/>
Sreshtabhasha malayalam / 
by Naduvattom Gopalakrishnan 
 - Thiruvananthapuram :  Chintha Publications,  2014. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>ISBN: </label>9383903449 
<br/><br/><label>Subjects--Index Terms: </label>History Of Malayalam Language Linguistics - Malayalam - History