BlundenRAllenD (1987) Facing the Challenge: An Ordinary Life for People with Learning Difficulties and Challenging Behaviour. London: The King’s Fund.
2.
IemmiVKnappMJackson BrownF (2016) Positive behavioural support in schools for children and adolescents whose behaviour challenges: an exploration of the economic case. Journal of Intellectual Disabilities20(3): 281–295.