Willoughby, Stephen S, <br/><br/>
Mathematics education for a changing world /  [print] 
Stephen S. Willoughby. 
 - Alexandria, Virginia :  Association for Supervision and Curriculum Development,  (c)1990. 
 - v, 103 pages ;  23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/>
<br/><br/><label>ISBN: </label>9780871201751 
<br/><br/><label>LCCN: </label>90049407 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.
<br/><br/><label>LC Class. No.: </label>QA11 QA11.W739.M384 1990