Ledsham , A  <br/><br/>
Comprehensive mathematics practice : 

 - Oxford :  America ;  1981. 
 - 82p ; 22cm .  01 
 - 2024-07-18 
<br/><br/><label>ISBN: </label>0198336683 
<br/><br/><label>Nat. Bib. No.: </label>0009723 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>LED 
<br/><br/><label>Universal Decimal Class. No.: </label>510