TY  - BOOK
AU  - Schliemann, Analúcia Dias
AU  - Brizuela, Bárbara M
TI  - Bringing out the algebraic character of arithmetic : from children's ideas to classroom practice
SN  - 9780805843385
U1  - 372.7 SCH 
PY  - 2007///
CY  - Mahwah, N.J
PB  - Lawrence Erlbaum
KW  - Algebraic logic - Study and teaching (Elementary)
ER  -