Mathematics teaching :  the state of the art / 
edited by Paul Ernest. 
 - New York :  Falmer Press,  1989. 
 - vii, 279 p. :  ill. 
<br/><br/><label>ISBN: </label>1850004609  (cased) 1850004617  (paper) 
<br/><br/><label>LCCN: </label>90013080     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.