//-->
Group model building effectiveness: A review of assessment studies
Rouwette, Etie͏̈nne A.J.A., (2002)
Clients' opinions on group model-building: An exploratory study
Akkermans, Henk A., (1997)
The impact of ERP on supply chain management: Exploratory findings from a European Delphi study
Akkermans, Henk A., (2003)