TY  - BOOK
AU  - Schoen,Harold L.
ED  - National Council of Teachers of Mathematics
TI  - Teaching mathematics through problem solving: grades 6-12 
SN  - 0873535413 (pbk.)
U1  - 510.712 
PY  - 2003///
CY  - Reston, VA
PB  - National Council of Teachers of Mathematics
KW  - Mathematics
KW  - Study and teaching (Secondary)
KW  - United States
KW  - Problem-based learning
ER  -