TY  - BOOK
AU  - Castrillo,Victoria
AU  - Santos,Monica S.
TI  - New math workbook: Algebra first course - I ; secondary Mathematics for second year high school 
U1  - Fil. 512 C355 1982 
PY  - 1982///
CY  - [Philippines]
PB  - Philippine Book Company
KW  - Algebra
ER  -