共 11 条
- [1] Anderson N. H., 1957, ORDER PRESENTATION P, P158
- [2] ANDERSON NH, 1959, STUDIES MATH LEARNIN, P125
- [3] ANDERSON NH, 1959, STUDIES MATH LEARNIN, P248
- [5] BUSH RR, 1955, STOCHASTIC MODELS LE
- [8] LOGAN FA, 1960, INCENTIVE
- [9] Sternberg S. H., 1959, STUDIES MATH LEARNIN, P308
- [10] Suppes P., 1959, STUDIES MATH LEARNIN, P400