1. Baker, P.A. & Osgood, T. (2019). Understanding and responding to behaviour that challenges in intellectual disabilities. Pavilion.
2. Banks, R. , Bush, A. & Baker, P. (2007). Challenging behaviour: A unified approach, Royal College of Psychiatrists, British Psychological Society and Royal College of Speech and Language Therapists, London, CR 144. Royal College of Psychiatrists London.
3. Using thematic analysis in psychology
4. Bryson, T.P. & Siegel, D. (2012). The whole-brain child: 12 proven strategies to nurture your child’s developing mind. Hachette UK.
5. Positive family intervention for severe challenging behaviour 1: A multisite randomised clinical trial;Durand;Journal of Positive Behavior Interventions,2012