TY  - BOOK
T1  - Developing graph comprehension :elementary and middle school activities /
DA  - c1989.
CY  - Reston, Va. :
AU  - Curcio, Frances R.
CN  - QA90
CN  - QA90
PB  - National Council of Teachers of Mathematics,
PP  - Reston, Va. :
PY  - c1989.
ID  - 130171
KW  - Graphic methods
KW  - Graphic methods
SN  - 0873532775
TI  - Developing graph comprehension :elementary and middle school activities /
ER  -