Perlman ,Y  <br/><br/>
ගණිත විනෝදය :  Fun With Mathematics  

 - Masitha :  Dankotuwa ;  2009. 
 - 197p 22cm .  01 
 - 2024-05-03 
<br/><br/><label>ISBN: </label>9789551710767 
<br/><br/><label>Nat. Bib. No.: </label>0000880 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>PER 
<br/><br/><label>Universal Decimal Class. No.: </label>510