TY  - GEN
AU  - Van de Walle, John A.
TI  - Teaching student-centered mathematics. Grades K-3
T2  - Van de Walle, John A. Van de Walle professional mathematics series
SN  - 0205408435
PY  - 2006///
CY  - [S.l.]
PB  - Pearson/Allyn and Bacon
UR  - 000017/00001715.jpg
ER  -