SAMARASINGHE, Sumanadasa <br/><br/>
Ilakkaya Haba Yana Chiththa Balaya  (Psycho-Cybernetics) 

 -  Colombo : Gayani Samarasinghe  1996 
 - 141 p. 
<br/><br/><label>ISBN: </label>0009559631586 
<br/><br/><label>Dewey Class. No.: </label>150  / S15