TY  - BOOK
AU  - Haehi, Martha
TI  - Preparing for Algebra: by building the concepts
SN  - 136088783
U1  - 512.1 HAE 
PY  - 1998///
CY  - New Jersey
PB  - Printice- Hall Int.
KW  - Humanities & Natural Science
KW  - Mathematics
N1  - Includes Index
ER  -