Charlesworth, Rosalind <br/><br/>
Math & Science for young children / 
Rosalind Charlesworth, Karen K. Lind 
 - 6th ed. 
<br/><br/> College of Education  Bachelor of Elementary Education 
<br/><br/><label>ISBN: </label>978-1-4390-4616-6 
<br/><br/><label>Dewey Class. No.: </label>372.7044 C38