Sobel . Max  <br/><br/>
Essentials of mathematics 4 : skills & concepts  

 - Xerox :  London ;  1973. 
 - 500 p ; 21 cm .  01 
 - 2025-08-25 
<br/><br/><label>ISBN: </label>0663235928 
<br/><br/><label>Nat. Bib. No.: </label>0005507 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>SOB 
<br/><br/><label>Universal Decimal Class. No.: </label>510