- Dul, J., Vis, B., & Goertz, G. (in press). Necessary Condition Analysis (NCA) Does Exactly What It Should Do When Applied Properly: A Reply to a Comment on NCA. Sociological Methods & Research. Published online October 2018
- Goertz, G., Hak, T., & Dul, J. (2013) Ceilings and floors where are there no observations? Sociological Methods & Research, 42(1).
- Dul, J., Hak, T., Goertz, G., & Voss, C. (2010). Necessary condition hypotheses in operations management. International Journal of Operations & Production Management, 30, 1170–1190
