Developing thinking in geometry / 
edited by Sue Johnston-Wilder and John Mason. 
 - London ;  Thousand Oaks, CA :  Open University in association with Paul Chapman Pub.,   c2005. 
 - xii, 270 pages :  illustrations. 
<br/><br/>Includes bibliographical references (p. [258]-260) and index. 
<br/><br/><label>ISBN: </label>1412911699 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry --Study and teaching.<br/>Symmetry (Mathematics)  --Study and teaching.
<br/><br/><label>LC Class. No.: </label>QA 461   / DEV 2005