Peeris, P. Ruban <br/><br/>
අංක ගණිතය : අභ්‍යාස වැඩ පොත 
= anka ganithaya : abhyaasa wada potha 


 - Colombo :  Gunasena.   1968. 
 - 88p.;  22cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mahinda Ranaweera Collection<br/>Elementary Education
<br/><br/><label>Dewey Class. No.: </label>372.7  / PEE