BILLSTEIN, Rick <br/><br/>
Mathemartics for Elementary School Reachers 

 - 4th Ed, 
 - California,  The Benjamin Cmmings Publishi  ng Company 1990 
 - xx, 945p. 
<br/><br/><label>ISBN: </label>0-8053-0390-1 
<br/><br/><label>Dewey Class. No.: </label>510.078