Math Challenge Questions 

 - Mandaluyong City  ANVIL PUBLISHING, INC.  c2013. 
 - xxv, 64 pages:  illustrations  18cm. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9789712727177 
<br/><br/><label>Dewey Class. No.: </label>Res. 515 M426 2013