TY  - GEN
AU  - Sophian, Catherine
TI  - The origins of mathematical knowledge in childhood
SN  - 9780805857580
U1  - 372.7 
PY  - 2007///
CY  - New York
PB  - Lawrence Erlbaum Associates
KW  - ARITHMETIC
KW  - COGNITIVE LEARNING THEORY
KW  - CONCEPT LEARNING
KW  - ELEMENTARY EDUCATION
KW  - MATHEMATICS
KW  - STUDY AND TEACHING
ER  -