TY  - BOOK
AU  - Rocena, Lady Angela M. , 
AU  - Rosete,Haidee
AU  - Sibbaluca,Luzviminda
TI  - Math world 7 / 
SN  - 9789719802563
U1  - 510 
PY  - 2015///.
CY  - Quezon  City, Philippines
PB  - C & E Publishing, Inc.
KW  - Math
KW  - Math for secondary education.
ER  -