1. Aalberg, T. (1998). Norske likhetsverdier i et komparativt perspektiv [Norwegian egalitarian values in a comparative perspective]. Tidsskrift for Samfunnsforskning, 39(4), 490–515.
2. Abzug, R., & Galaskiewicz, J. (2001). Non-profit boards: Crucibles of expertise or symbols of local identities? Nonprofit and Voluntary Sector Quarterly, 30(1), 51–73.
3. Arnesen, D., & Sivesind, K. H. (2020). Organisasjonslandskap i endring 2009-2019 [The organizational landscape in change 2009-2019
4. Rapport 2020:5]. Oslo and Bergen: Center for Research on Civil Society and Voluntary Sector.
5. Billis, D. (2010). From welfare bureaucracies to welfare hybrids. In D. Billis (Ed.), Hybrid organizations and the third sector (pp. 3–24). Basingstoke: Palgrave Macmillan.