Dissanayake, Dulani <br/><br/>
Vidiyatmaka cintanaye vikashanaya 

 - Kelaniya  Dulani Dissanayake  1999 
 - 150p. 
<br/><br/><label>ISBN: </label>9789559667807 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LOGIC
<br/><br/><label>Dewey Class. No.: </label>160  / D37