Van de Walle, John A. <br/><br/>
Teaching student-centered mathematics :  grade 5-8 / 
John A. Van de Walle, LouAnn H. Lovin 
<br/><br/> College of Education  Bachelor of Elementary Education 
<br/><br/><label>ISBN: </label>0-205-41797-3 
<br/><br/><label>Dewey Class. No.: </label>372.2 V28