BANDA,O.G.Dayaratna <br/><br/>
Nidahas Wishwavidyala Adyapanaya Pawudgalikakaranayata 

 -  Maharagama,Ravaya Publishers  2011 
 - 192 p. 
<br/><br/><label>ISBN: </label>9789551468682 
<br/><br/><label>Subjects--Topical Terms: </label><br/>secondary education
<br/><br/><label>Dewey Class. No.: </label>373  / B15