Purushothaman, P. O. <br/><br/>
Tharathamya sahithya pramanangal / 
by P. O. Purushothaman 
 - Kollam :  Helios Graphics,  1997. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>ISBN: </label>8124004943 
<br/><br/><label>Subjects--Index Terms: </label>Criticism Literature