TY  - BOOK
AU  - Jensen,Paz Lacsamana
TI  - Calculations made easy: addition & multiplication, subtraction & division 
SN  - 9789712726484
U1  - 513 
PY  - 2012///
CY  - Mandaluyong City, Philippines
PB  - Anvil Publishing, Inc.
KW  - Addition
KW  - Multiplication
KW  - Subtraction
KW  - Division
ER  -