Brinkmann, Svend, Jacobsen, Michael Hviid, and Kristiansen, Søren. 2014. “Historical overview of qualitative research in the social sciences.” In The Oxford handbook of qualitative research, ed. Patricia Leavy, 17–42. Oxford University Press, ProQuest Ebook Central. Accessed 30 October 2025. ebookcentral.proquest.com/lib/uahelsinki/detail.action?docID=1657789.