Posamentier Alfred S <br/><br/>
Creative Secondary School Mathematics: 125 Enrichment Units for Grades 7 to 12 

 -  World Scientific  WSPC  2021 
<br/><br/><label>ISBN: </label>9789811240430 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics