Alfred S. Posamentier, Beverly S. Smith & Jay Stepelman - <br/><br/>
Teaching Secondary Mathematics: Teaching And Enrichment Units 

 - 8th ed. 
 -   Pearson Education  ©2010 
<br/><br/><label>ISBN: </label>9780135000038  533.4533.4 
<br/><br/><label>Dewey Class. No.: </label>510.712/POS