TY  - BOOK
AU  - Lesh, Richard
AU  - Doerr Helen M
TI  - Beyond constructivism: Models and modeling perspectives on mathematical problem solving learning and teaching 
SN  - 0-8058-3822-8
U1  - 510.71 
PY  - 2003///
CY  - NewJersy
PB  - Lawrence Erlbaum Associates
KW  - Mathematics-Study and teaching
KW  - Mathematics-Psychological aspects
KW  - Constructivism-Education
N1  - Includes index
ER  -