共 50 条
- [22] THE HOSPITAL CAREERS OF LOWER-CLASS AND MIDDLE-CLASS CHILD PSYCHIATRIC-PATIENTS PSYCHIATRY, 1962, 25 (01): : 16 - 22
- [28] COGNITIVE PERFORMANCE AND COMPETENCE CHARACTERISTICS OF LOWER-CLASS AND MIDDLE-CLASS PRESCHOOL-CHILDREN JOURNAL OF GENETIC PSYCHOLOGY, 1978, 132 (02): : 177 - 183
- [30] INVESTIGATION INTO SELF CONCEPTS OF LOWER-CLASS AND MIDDLE-CLASS BLACK AND WHITE KINDERGARTEN CHILDREN JOURNAL OF NEGRO EDUCATION, 1973, 42 (04): : 467 - 472