Pascoe, L.C. <br/><br/>
Arithmetic 

 - 1st ed. 
 - London  Hodder and Stoughton  1971 
 - 234p. 
<br/><br/><label>ISBN: </label>34005364 
<br/><br/><label>Dewey Class. No.: </label>513  / PAS/ARI