Smith, Frank,  1928-2020. <br/><br/>
The glass wall :  why mathematics can seem difficult / 
Frank Smith. 
 - New York :  Teachers College Press,  c2002. 
 - ix, 163 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 155-158) and indexes. 
<br/><br/><label>ISBN: </label>0807742422 (acid-free paper) 0807742414 (pbk. : acid-free paper) 
<br/><br/><label>LCCN: </label>2002024200 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.<br/>Mathematics--Psychological aspects.
<br/><br/><label>LC Class. No.: </label>QA11.2  / .S65 2002