Gusano, Riza C. et.al. <br/><br/>
A Course Module for Teaching Math in the Intermediate Grades 
Gusano, Riza C. et.al. 
 - Manila  REX Bookstore 
 - vi, 154p.  Includes Index  25cm. 
<br/><br/><label>ISBN: </label>9786210403756