FredericksH. D., RiggsC., FureyT., GroveD., MooreW., McDonnellJ. J., JordanE., HansonW., BaldwinV., & WadlowM. (1976). The teaching research curriculum for the moderately and severely handicapped. Springfield, Ill.: Charles C Thomas.
2.
FredericksH. D., BaldwinV. L., GroveD. N., RiggsC., FureyV., MooreW., JordanE., GageM. A., LevakL., AlrickG., & WadlowM. (1975). A data based classroom for the moderately and severely handicapped. Monmouth, Ore.: Instructional Development Corporation.