1. Personal assistance for disabled people – The Norwegian experience;Askheim;International Journal of Social Welfare,1999
2. Personal assistance in a Scandinavian context: similarities, differences and developmental traits;Askheim;Scandinavian Journal of Disability Research,2014
3. Australian Government (2013). National Disability Insurance Scheme Act 2013. https://www.legislation.gov.au/Details/C2013A00020.
4. Australian Productivity Commission (2011). Productivity commission inquiry report: Disability care and support. https://www.pc.gov.au/inquiries/completed/disability-support/report.
5. Australian Productivity Commission (2017). Productivity commission study report: National Disability Insurance Scheme (NDIS) costs. https://www.pc.gov.au/inquiries/completed/ndis-costs/report.