TY  - BOOK
AU  - Jensen,Paz Lacsamana
TI  - Speed math:  : Subtraction and division / 
SN  - 9789712717888
U1  - 510 
PY  - 2006///
CY  - Pasig City: 
PB  - Anvil Publishing,  Inc. , 
KW  - Mathematics for secondary education.
KW  - Speed mathematics
N1  - includes bibliography.; Young Adult
N2  - "
ER  -