TY  - BOOK
AU  - De La Peña, Carmen R.
TI  - Basic Mathematics for secondary schools
U1  - Fil. 510 D331 1981 
PY  - 1981///
CY  - Quezon City
PB  - Alemar- Phoenix Publishing House, Inc.
KW  - Mathematics
N1  - Includes glossary and bibliography
ER  -