1. A preliminary investigation into staff satisfaction, and staff emotions and attitudes in a unit for men with learning disabilities and serious challenging behaviours
2. Boyatzis, R. E. (1998). Transforming qualitative information thematic analysis and code development. London: Sage Publications.
3. Burns, N. and Grove, S. K (1997). The practice of nursing research conduct, critique & utilization (3rd ed.). Philadelphia, USA: W B. Saunders Company.
4. Canterbury District Health Board (2001). Mental health service managing the risk of violence and aggression in the mental health service. Christchurch, New Zealand.