Smith, Susan Sperry <br/><br/>
Early childhood mathematics /  Susan Sperry Smith 

 - 4th ed. 
<br/><br/> College of Education  Bachelor of Elementary Education 
<br/><br/><label>ISBN: </label>978-0205-59428-3 
<br/><br/><label>Dewey Class. No.: </label>510 Sm65