TY  - BOOK
AU  - Torres, Hermina D.
AU  - Vallar, Gavino A., jt auth
TI  - Calculus and analytic geometry for business & economics.
SN  - 971-08-0359-x
AV  - F QA 303 .T636 1984 
PY  - 1984///
CY  - Mandaluyong City
PB  - National BookStore
KW  - Calculus
KW  - Geometry, analytic
ER  -