TY  - BOOK
AU  - Suter, Allan D.
AU  - Osmus, Kathy.
AU  - Slyke, Care Van
TI  - Contemporary's number sense : : discovering basic math concepts : whole number multiplication & division 
SN  - 0809242338
U1  - CIR  510 S965 1990 
PY  - 1990///
CY  - Lincolnwood, Illinois, USA
PB  - Contemporary Books
KW  - Mathematics
KW  - Study and teaching
ER  -