TY  - BOOK
AU  - Lacsamana-Jensen, Paz Alegria
TI  - Calculations made easy : addition & multiplication, subtraction & division
SN  - 9789712726484
U1  - Fil. 513 L149c 2012 
PY  - 2012///
CY  - Mandaluyong City : 
PB  - Anvil Pub. , 
KW  - 1. Mathematics.
KW  - 2. Arithmetic.
ER  -