Perera,Tiyador.G <br/><br/>
මනෝමය ගණිතය 
 Manomaya Ganitaya 

 - Henaratgoda  Lankatilaka  1915 
 -  16p, 21 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Universal Decimal Class. No.: </label>104   /  M 2