Posamentier, Alfred S. (et.al) <br/><br/>
Teaching secondary mathematics:  teaching and enrichment units / 
Alfred S. Posamentier, Beverly S. SMith, Jay Stepelman 
 - 8th ed. 
<br/><br/> College of Education  Bachelor of Secondary Education major in Mathematics 
<br/><br/><label>ISBN: </label>13-0-13-500003-8 
<br/><br/><label>Dewey Class. No.: </label>510.712 P84