Belton, I., Wright, G., Sissons, A., Bolger, F., Crawford, M. M., Hamlin, I., Taylor Browne Lūka, C., & Vasilichi, A. (2021). Delphi with feedback of rationales: How large can a Delphi group be such that participants are not overloaded, de-motivated, or disengaged?. Technological Forecasting and Social Change, 170, Article 120897. https://doi.org/10.1016/j.techfore.2021.120897