References
Hodgdon, L.Q. (1995). Visual strategies for improving
communication: Practical supports for school & home. Troy, MI:
Quirk Roberts Publishing
Hodgdon, L.Q. (1999). Solving behavior problems
in autism.
Troy, MI: Quirk Roberts Publishing
Sussman, F. (1999). More than words. Toronto, Ontario:
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Mayer-Johnson Co. (1981, 1985, 1992) Boardmaker,
Picture Communication Symbols. Solana Beach, CA: Mayer-Johnson Inc., P.O. Box
1579, Solana
Beach, CA 92075-7579
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