共 30 条
- [2] BARR AS, 1958, PHI DELTA KAPPAN, V39, P282
- [3] BENNETT A, 1932, COMP STUDY SUBNORMAL
- [4] BLATT B, 1958, AM J MENT DEF, V62, P810
- [5] CARRICKER WR, 1957, DISS ABSTR, V17, P2206
- [6] CASSIDY V, 1959, INVESTIGATION FACTOR
- [7] DEWEY J, 1913, CYCLOPEDIA ED, P202
- [9] DUNN LM, 1962, MENTAL RETARDATION
- [10] ELENBOGEN ML, 1957, DISS ABSTR INT, V17, P2496