Santos, Esther Doval Z. <br/><br/>
Elementary school mathematics / 
by Esther Z. Doval Santos and Sister Andrea de Jesus Pasion. 
 - Metro Manila :  Era Phils., Inc.,  1979. 
 - 292p. :  illus. ;  25cm. 
 -  book 6 .
<br/><br/> Includes glossary and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics -- Study and teaching (Elementary).
<br/><br/><label>LC Class. No.: </label>F QA 107  / S26 1979