TY  - BOOK
AU  - Yn,Grace U.
AU  - Padua,Alicia L.
AU  - Crisostomo,Ricardo M.
AU  - Gabriel,Judy Lim
AU  - Ong,Anita C.
AU  - Ogena,Ester B.
TI  - Our world of math 4
SN  - 9789710728787
U1  - 372.7 
PY  - 2013///
CY  - Quezon City
PB  - Vibal Publishing House
KW  - Mathematics
KW  - Study and teaching (Elementary)
KW  - Philippines
KW  - Textbooks
N1  - Includes glossary; Includes bibliographical references; Primary
ER  -