References
- Dunn , L. M. 1968 . Special education for the mildly retarded‐‐Is much of it justifiable? . Exceptional Children , 35 : 5 – 24 .
- Haring , N. G. , Stern , G. S. and Cruickshank , W. M. 1958 . Attitudes of Educators Toward Exceptional Children , Syracuse : Syracuse University Press .