共 15 条
- [4] BOWMAN FJ, 1960, 24A PARS RES PROJ WO
- [5] DICKERSON DJ, 1964, AM J MENT DEF, V68, P476
- [6] HAMILTON J, 1966, AM J MENT DEF, V71, P100
- [7] JOHNSON GO, 1960, EXCEPT CHILDREN, V27, P72
- [8] Mecham MJ, 1955, AM J MENT DEF, V60, P301
- [9] SACHS M, 1951, THESIS U VIRGINIA
- [10] ANALYSIS OF SPEECH-DEFECTS AMONG THE INSTITUTIONALIZED MENTALLY-RETARDED [J]. JOURNAL OF SPEECH AND HEARING DISORDERS, 1957, 22 (01): : 98 - 103