8BOWN K A, WACKER D P, DERBY K M. Evaluating the effects of functional communication training in the presence and absence of establishing operations[J]. J Appl Behavior Analysis, 2000,33 : 48-50.
9SIEGEL B. The World of the Autistic Child:Understanding and Treating Trealing Autistic Spectrum Disorders [M]. New York:Oxford University Press, 1996 : 10.
