Perera, Gunasiri. M.  <br/><br/>
Thoughts For A Change  English  
Perera, Gunasiri. M.  
 - Sri Lanka:  Chathura Printers:  2014. 
 - 96p:  18cm. 
<br/><br/><label>ISBN: </label>9789553052117 
<br/><br/><label>Dewey Class. No.: </label>158.1  / PER