Posamentier, Alfred S. <br/><br/>
Teaching secondary school mathematics :   techniques and enrichment units /  
Alfred S. Posamentier, Jay Stepelman. 
 - 2nd ed. 
 - Columbus :  Merrill,  c1986. 
 - vii, 432 p.   ill. ;  28 cm. 
<br/><br/>1.	Teaching mathematics<br/>2.	Enrichment units for the secondary school classroom<br/><br/> 
<br/><br/><label>ISBN: </label>0675204224 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Secondary)
<br/><br/><label>Dewey Class. No.: </label>510/.7/12  / P8552