Wright,Robert <br/><br/>
Early numeracy 

 - 2nd Ed.; 
 - London  Paul Chapman,  2006 
 - xvii,200p.;  ill  24cm 
<br/><br/><label>ISBN: </label>141291020X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Groups
<br/><br/><label>Dewey Class. No.: </label>305.233  / WRI