共 16 条
[5]
HOWE A, 1977, J RES SCI TEACH, V14, P467
[6]
JOHNSON ML, 1984, J RES MATH EDUC, V15, P145
[7]
Jones L., 1984, Journal for Research in Mathematics Education, V15, P154
[8]
Lawson A.E., 1975, J RES SCI TEACH, V12, P423
[9]
MATTHEWS W, 1984, J RES MATH EDUC, V15, P165
[10]
*NAT ASS ED PROGR, 1972, MATH REP CARD NAT ST