Outcomes and costs of special education programs for persons with mental retardation microform / Robert H. Bruininks, Darrell R. Lewis, and Martha L. Thurlow
原資料の出版事項: [Minneapolis, Minn.] ; [Washington, DC] : Institute on Community Integration, University of Minnesota : U.S. Dept. of Education, Office of Educational Research and Improvement, Educational Resources Information Center, [1990]