BijouS. W. (1966). A functional analysis of retarded development. In EllisN. (Ed.), International review of research in mental retardation (Vol. 1). New York: Academic Press.
2.
BrickerW., & BrickerD. (1970). A program of language training for the severely language handicapped child. Exceptional Children, 37, 101–112.
3.
BrownL., FenrickN., & KlemmeH. (1971). Trainable pupils learn to teach each other. Teaching Exceptional Children, 4, 18–24.
4.
BrownL., & PerlmutterL. (1971). Teaching functional reading to trainable level retarded students. Education and Training of the Mentally Retarded, 6, 74–84.
5.
CainL., & LevineS. (1963). Effects of community and institutional school programs on trainable mentally retarded children. CEC Research Monograph. Washington, D.C.: The Council for Exceptional Children.
6.
ChalfantJ., SilikovitzR., & TawneyJ. (1970). Systematic instruction for retarded children: The Illinois program. Final Report, Project No. 7-1205. Washington, D.C.: United States Office of Education.
7.
GuskinS., & SpickerH. (1968). Educational research in mental retardation. In EllisN. (Ed.), International review of research in mental retardation (Vol. 3). New York: Academic Press.
8.
KirkS. (1964). Research in education. In StevensH., & HeberR. (Eds.), Mental Retardation. Chicago: University of Chicago Press.
9.
McAuleyB. (1968). A program for teaching speech and beginning reading to nonverbal retardates. In SloaneH., & McAuleyB. (Eds.), Operant procedures in remedial speech and language training. Boston: Houghton Mifflin.
10.
SloaneH.Jr., JohnstonM., & HarrisF. (1968). Remedial procedures for teaching verbal behavior to speech deficient or defective young children. In SloaneH., & McAuleyB. (Eds.), Operant procedures in remedial speech and language training. Boston: Houghton Mifflin.
11.
SpradlinJ., & GirardeauF. (1966). The behavior of moderately and severely retarded persons. In EllisN. (Ed.), International review of research in mental retardation (Vol. 1). New York: Academic Press.
12.
TawneyJ., & HipsherL. (1970). Systematic language instruction. Final Report, Project No. 7-1205. Washington, D.C.: United States Office of Education.