TY  - BOOK
AU  - Hubbard,Elaine
AU  - Robinson,Ronald D.
TI  - Elementary algebra: a graphing approach 
SN  - 0669354996
AV  - QA152.2 .H835 1996
PY  - 1996///
CY  - Lexington, Mass.
PB  - D.C. Heath
KW  - Algebra
ER  -