TY  - BOOK
T1  - Visualization in teaching and learning mathematics :a project /
DA  - c1991.
CY  - [Washington, D.C.] :
AU  - Zimmermann, Walter,
AU  - Cunningham, Steve,
CN  - QA11
CN  - QA11
PB  - Mathematical Association of America,
PP  - [Washington, D.C.] :
PY  - c1991.
ID  - 143077
KW  - Mathematics
KW  - Visualization.
SN  - 0883850710
TI  - Visualization in teaching and learning mathematics :a project /
ER  -