![](/img/cover-not-exists.png)
Delphi questionnaires versus individual and group interviews: A comparison case
Jan A.G.M. Van DijkVolume:
37
Year:
1990
Language:
english
Pages:
305
DOI:
10.1016/0040-1625(90)90029-u
File:
PDF, 990 KB
english, 1990