TY  - BOOK
AU  - BARRATO, STEFAN
AU  - BERGMAN, BARRY
TI  - Basic mathematical skills with geometry
SN  - 978-0-07-110191-2.
PY  - 2008///
CY  - Boston : 
PB  - McGraw-Hill, 
KW  - 1. Arithmetic-Programmed instruction
KW  - 2. Geometry-Programmed instruction
N1  - Includes index
ER  -