TY  - BOOK
AU  - Hutchison,Donald
AU  - Bergman,Barry
AU  - Baratto,Stefan
TI  - Prealgebra: an integrated equations approach 
SN  - 9780072872569
PY  - 2007///
CY  - Boston, MA
PB  - McGraw Hill
KW  - Algebra
KW  - Textbooks
KW  - Equations
ER  -