Acuba, Belen A.  <br/><br/>
Instructional material in mathematics numerombay (numberline game) / 
Belen A. Acuba. 
 - Philippines;  Publishers Association of the Philippines, Inc.,  September 2018. 
 - Volume 66, pages 140-141 ,  illustration. 
<br/><br/><label>Dewey Class. No.: </label>DPer050 M72 January-March 2018 v. 66 no. 8-10