@article{Belton2019,
author = {Belton, I. and MacDonald, A. and Wright, G. and Hamlin, I.},
title= {Improving the practical application of the Delphi method in group-based judgment: A six-step prescription for a well-founded and defensible process},
year = {2019},
doi = {10.1016/j.techfore.2019.07.002},
volume = {147},
pages = {72--82},
}