1. Allwood, C.M.: The distinction between qualitative and quantitative research methods is problematic. Qual. Quant. 46(5), 1417–1429 (2012)
2. Andrade, A.D.: Interpretive research aiming at theory building: adopting and adapting the case study design. Qual. Rep. 14(1), 42–60 (2009)
3. Bruscaglioni, L.: Theorizing in grounded theory and creative abduction. Qual. Quant. 50(5), 2009–2024 (2016)
4. Burrell, G., Morgan, G.: Sociological Paradigms and Organizational Analysis: Elements of the Sociology of Corporate Life. Heinemann, London (1979)
5. Chalmers, A.F.: What is This Thing Called Science? Open University Press, Maidenhead (1999)