De Silva,Simon <br/><br/>
A School Arithmetic 

 - Colombo  W.B.F Abeyeratna  1907 
 -  128p, 21 cm 
 -  Part III .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Universal Decimal Class. No.: </label>104 M 1