Posamentier, Alfred S <br/><br/>
Teaching secondary school mathematics  techniques and enrichment units 
Alfred S. Posamentier, Jay Stepelman 
 - Columbus, Ohio  Charles E. Merrill  1981 
 - vii, 407 p. :  ill. ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Secondary)