TY  - BOOK
AU  - William Leschensky…[et al]
TI  - Pre-algebra:a transition to algebra and geometry
SN  - 78247713
AV  - SLB QA 152.2  .P74 2002
PY  - 2002///
CY  - NEW YORK 
PB  - MCGRAW HILL
ER  -