Teaching secondary school mathematics :   techniques and enrichment units /  
Alfred S. Posamentier and Jay Stepelman 
 - Fifth edition.  
 - New Jersey :   Merrill, an imprint of Prentice Hall,   c1999.  
 - vii, 491 pages :   illustrations ;   28 cm.  
<br/><br/> Includes index and bibliographical references.  
<br/><br/><label>ISBN: </label>0136748058 
<br/><br/><label>Dewey Class. No.: </label>Circ. 510.7 P855 1999