TY  - BOOK
AU  - Bach, Daniel J.
AU  - Leitner, Patricia J.
TI  - Prealgebra: mathematics for a variable world
SN  - 0-07-296910-5.
U1  - GR. 513.14 B118p 2006 3rd edition
PY  - 2006///
CY  - N. Y. : 
PB  - McGraw-Hill, 
KW  - 1. Mathematics
ER  -