共 9 条
[2]
DOLL EA, 1946, MANUAL CHILD PSYCHOL
[3]
Edwards A. L., 1950, EXPT DESIGN PSYCHOL
[4]
Gardner LP, 1945, AM J MENT DEF, V50, P59
[5]
Kallmann FJ, 1951, AM J MENT DEF, V56, P375
[7]
LEWIS EO, 1925, REPORT MENTAL DEFI 4
[8]
Mace CA, 1935, INCENTIVES SOME EXPT
[9]
Tredgold A. F, 1947, TXB MENTAL DEFICIENC