TY  - BOOK
AU  - Carson, T.
AU  - Gillespie, E.
TI  - Elementary algebra: With early systems of equations
SN  - 0321295250
AV  - QA135.6 .C39
PY  - 2006///
CY  - New York
PB  - Pearson education
KW  - Algebra-textbook
ER  -