TY  - BOOK
AU  - Villano, Ma. Luisa V. 
AU  - I. Mupas, Lowela B. 
AU  - II. Sy-Tan, Josephine L.
AU  - III. Chua, Simon L. 
TI  - Math for the 21st century learners 7
SN  - 9789710632169
U1  - Fil. 510 M426 2012 
PY  - 2012///
CY  - Quezon City, Philippines : 
PB  - Phoenix Publishing House, 
ER  -