Haylock, Derek <br/><br/>
Mathematics explained for pirmary teachers  

 - 3rd ed. 
 - London  Sage Publications  2006 
 - 341 p.  22 cm. 
<br/><br/><label>ISBN: </label>1412911826 
<br/><br/><label>Dewey Class. No.: </label>372.2 HAY