HellerH., & SchilitJ.Career education for the future. Career Development for Exceptional Individuals, 1979, 14(2), 91–96.
2.
HoytK.Career education for special populations. Washington DC: U.S. Government Printing Office, 1976.
3.
KokaskaC.Report of Study Committee on Secondary Career/Vocational Education. Washington DC: American Association on Mental Deficiency (unpublished), March, 1977.
4.
LombardiT. P., & HotsinpillerP.Strengthening career foundation skills for the developmentally disabled. Career Development for Exceptional Individuals, 1979, 14(2), 74–79.