TY  - BOOK
AU  - Lapuz-Tangcuangco, Alma L.
TI  - Mathematics and ESAS pre-board solved problems
SN  - 978-971-9676-62-1
U1  - Fil. 510 T156 c2016 
PY  - 2016///
CY  - Malabon City
PB  - Jimczyville Publications
ER  -