Piyadasa, R. K. A. <br/><br/>
රිදී රේඛා 

 - Maharagama :  National Institite of Education,  1992 
 - x, 38p.;  ill.  20cm 
<br/><br/><label>ISBN: </label>199095163 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Guide Book