Teaching Mathematics in Secondary Schools.  A reader 
Haggarty Linda ( editor ) 
 - London:  The Open University,  2002 
 - xx, 279p. ;  ill. ;  24cm. 
<br/><br/><label>ISBN: </label>9780415260695 
<br/><br/><label>LC Class. No.: </label>QA 11  / .H33 2002