H. C. F. Holgate <br/><br/>
Exchange arithmetic. Ed 6 

 - 6th Edition. 
 - London  Pitman Paperbaks  1970 
 - 139p 
<br/><br/>H. C. F. Holgate & W. W. Syrett: Exchange arithmetic. Ed 6.  (6th Edition.)  London.  Pitman Paperbaks, 1970. 0-273-36021-3--(513HOL)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-273-36021-3 
<br/><br/><label>Dewey Class. No.: </label>513  / HOL