TILAKARATHNE, H.M <br/><br/>
Pariganaka Vidhyava - Step III 

 - Colombo  S.Godase and Sons  2004 
 - 80, p. 
<br/><br/><label>ISBN: </label>9552074878 
<br/><br/><label>Dewey Class. No.: </label>4