Problem posing :  reflections and applications / 
edited by Stephen I. Brown, Marion I. Walter. 
 - New York :  Psychology Press,  2013. 
 - xvii, 336 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>080581065X (pbk.) 9780805810653 (pbk.)  RM198.66 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Problem solving.<br/>Mathematics--Study and teaching.