TY  - BOOK
AU  - Crisostomo,Ricardo M.
AU  - Padua,Alicia
TI  - Our world of math 7 / 
SN  - 9789710741472
U1  - 510.7 Second edition. 
PY  - 2018///.
CY  - Quezon  City, Philippines
PB  - Vibal Group, Inc., 
KW  - Math
KW  - Mathematics for secondary education.
N1  - includes  bibliography.
ER  -