TY  - BOOK
AU  - Lacsamana-Jensen, Paz Alegria
TI  - Speed math : subtraction and division / : by Paz A. Lacsamana-Jensen.  
SN  - 978-971-27-1788-8  
U1  - FIL 510.7 L119 2000 
PY  - 2006///.
CY  - Pasig City
PB  - Anvil Publishing, 
KW  - Subtraction
N1  - Includes bibliography 


ER  -