Marquez, Norma E. <br/><br/>
Learning mathematics through discovery. 

 - [Philippines] :  National Book Store, Inc.,  1976. 
 - xvi, 485p. :  illus. ;  20cm. 
<br/><br/> Includes index. 
<br/><br/> 5-8 
<br/><br/><label>LC Class. No.: </label>F QA 107  / M37 1976