WIJENAIKA, Punyakante. <br/><br/>
An Enemy Within 

 -  Ratmalana. Sarvodaya vishva l  ekha pub.  1998 
 - viii, 148 
<br/><br/><label>ISBN: </label>955-599-117-0 
<br/><br/><label>Dewey Class. No.: </label>823.0105493