TY  - GEN
AU  - Billstein, Rick
AU  - Libeskind, Shlomo 
AU  - Lott, Johnny W.
TI  - A problem solving approach to mathematics for elementary school teachers
SN  - 0805303901
U1  - 372.7044 
PY  - 1990///
CY  - Redwood city
PB  - The Benjamin/Cummings
KW  - Mathematics
ER  -