TY - JOUR A1 - Flostrand, A. A1 - Pitt, L. A1 - Bridson, S. T1 - The Delphi technique in forecasting – A 42-year bibliographic analysis (1975–2017 Y1 - 2020 DO - 10.1016/j.techfore.2019.119773 VL - 150 ER -