TY  - RPRT
TI  - The Delphi technique: characteristics and sequence model.
AU  - M R Couper
PY  - 1984
DO  - 10.1097/00012272-198410000-00008
UR  - https://pubmed.ncbi.nlm.nih.gov/6435511/
ID  - 6435511
ER  -