Council for Exceptional Children. Professional standards for personnel in the education of exceptional children, Washington, D.C.: Council for Exceptional Children, NEA, 1966.
2.
HudsonM.An exploration of classroom procedures for teaching trainable children. Washington: Council for Exceptional Children, NEA, 1960. (CEC Monograph Series A, No. 2).
3.
SontagE., BurkeP. J., & YorkR.Considerations for serving the severely handicapped in the public schools, Education and Training of the Mentally Retarded, 1973, 8 (2), 20–26.
4.
TawneyJ. W.Prerequisite conditions for the establishment of educational programs for the severely retarded. Educating the 24-hour Retarded Child. National Training Meeting on Education of the Severely and Profoundly Mentally Retarded, NARC, August, 1975.
