LiebermanL. (1980). The implications of non-categorical special education. Journal of Learning Disabilities, 13(2), 14–17.
2.
StainbackW., & StainbackS. (1984). A rationale for the merger of special and regular education. Exceptional Children, 51, 102–111.
3.
National Commission on Excellence in Education. (1983). A Nation at Risk: The Imperative for Educational Reform.Washington, DC: U.S. Government Printing Office.
