Wijayathilaka,Rohitha <br/><br/>
ගණිත රටා අපූරුව 

 - Moratuwa:  New Lalith Printers,  1993. 
 - 42p.;  21cm 
<br/><br/><label>ISBN: </label>9559531719 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General principles of mathematics
<br/><br/><label>Dewey Class. No.: </label>511.2  / WIJ