Gunarathna, R.F. <br/><br/>
Tharka shathraya ha vidyathmaka kramaya 

 - [S.l]  Educational Publi. Department  1977 
 - viii, 87 p. 
<br/><br/><label>ISBN: </label>245132 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic
<br/><br/><label>Dewey Class. No.: </label>160  / GUN