TY  - BOOK
AU  -  Van de Walle, John A., & Lovin, Lou Ann H.
TI  - Teaching Student-Centered Mathematics: Grades K-3
SN  - 0205408435
AV  - QA 13  .V3 2006
PY  - 2006///
CY  - Boston
PB  - Pearson
KW  - Mathematics---Study and teaching---United States
ER  -