共 23 条
[4]
Fucini A., 1982, THESIS NE U BOSTON
[5]
Goldiamond I., 1966, PROBLEM SOLVING RES, P183
[9]
TEACHING COIN EQUIVALENCES VIA MATCHING TO SAMPLE
[J].
APPLIED RESEARCH IN MENTAL RETARDATION,
1984, 5 (02)
:177-197