TY  - BOOK
AU  - Benigno, Gloria D.
TI  - Basic mathematics for college students
SN  - 9712311546
U1  - Fil. 510 B432 
PY  - 1993///
CY  - Quezon City
PB  - Rex Printing Company, Inc.
KW  - Mathematics
KW  - number theory
KW  - Ration and proportion
ER  -