Cruikshank, Douglas E., <br/><br/>
Young children learning mathematics / 

 - 1st Ed. 
 - Boston :  Allyn and Bacon,  c1980. 
 - xi, 348 p. : 
<br/><br/><label>ISBN: </label>0205067522 
<br/><br/><label>Dewey Class. No.: </label>372.7  / CRU