TY  - BOOK
AU  - Hutchison,Donald
TI  - Prealgebra : : an integrated equations approach 
SN  - 9780072872569
U1  - 513.14  
PY  - 2007///
CY  - Boston
PB  - McGraw-Hill
KW  - Algebra
KW  -  Equations
KW  - Mathematics
N1  - 500-599
ER  -