HAYLOCK Derek. <br/><br/>
Mathematics explained for primary teachers/  . xx, 473p.; ill. 
Derek Haylock and Ralph Manning 
 -   5th ed. 
 -  Sage,   2014. 
<br/><br/>                        “It includes references and index” 
<br/><br/><label>ISBN: </label>ISBN: 978-1-4462-8586-2