1. Abeson, A. (1980). The implementation of PL 94–142: From infancy forward. Journal of Special Education, 15, 33–38.
2. Allen, K., Benning, P., & Drummond, T. (1972). Integration of normal and handicapped children in a behavior modification preschool: A case study. in G. Semb (Ed.), Behavioral analysis and education. Lawrence, Kansas: University of Kansas Press.
3. Aloia, G., Beaver, R., & Pettus, W. (1978). Increasing initial interactions among integrated EMR students and their nonretarded peers in a game-playing situation. American Journal of Mental Deficiency, 82, 573–579.
4. Apolloni, T., Cooke, S., & Cooke, T. (1977). Establishing a normal peer as a behavioral model for developmentally disabled toddlers. Perceptual and Motor Skills, 44, 231–241.
5. Ballard, M., Corman, L., Gottlieb, J., & Kaufman, M. A. (1977). Improving the social status of mainstreamed retarded children. Journal of Educational Psychology, 69, 605–611.