TY  - BOOK
AU  - Martinez, Joseph G. R
AU  - Martinez, Nancy C
TI  - Activities for developing mathematical thinking : exploring, inventing, and discovering mathematics
SN  - 9780130987426
U1  - 372.7 MAR 
PY  - 2007///
CY  - Upper Saddle River, NJ
PB  - Pearson Merrill Prentice Hall
KW  - Cognition in children
ER  -