self-injurious behaviour

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…challenging behaviour. . References Happ, F. (1994). Autism An Introduction To Psychological Theory. 2nd Edition. London: U.C.L. Press. Page 9. ISBN: 1857282302 Ellis, K. (1990). Therapy In Practice 17. Bury St. Edmunds: St Edmunsberry Press Ltd. p.p. 146-147. ISBN: 041232220X Bibliography Williams, D (1998). Autism And Sensing. Gateshead: Jessica Kingsley Publishers Ltd. ISBN: 1853026123 Grandin, T. and Scariano, M.M. (1986). Emergence: Labelled Autistic. Turnbridge Wells: DJ Costello. ISBN: 0710400632 Frith, E. (1991). Autism and Asperger Syndrome.Cambridge: Cambridge University Press. ISBN: 05213860X