TY  - BOOK
AU  - Jensen, Paz Lacsamana
AU  - Jensen, Paz Lacsamana
TI  - Calculations made easy: Addition & multiplication, subtraction & division
SN  - 978-971-27-2648-4
U1  - BCir.515 
PY  - 2012///
CY  - -Mandaluyong City
PB  - Anvil publishing , Inc.
ER  -