Elvin , R  <br/><br/>
Arithmetic revision and practice : 

 - Oxford :  America ;  1981. 
 - 212p ;22cm .  01 
 - 2024-07-22 
<br/><br/><label>ISBN: </label>0199140871 
<br/><br/><label>Nat. Bib. No.: </label>0009726 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>ELV 
<br/><br/><label>Universal Decimal Class. No.: </label>510