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The impact of loyalty programmes in a B-to-B context : results of an experimental design
Daams, Peter, (2008)
Explaining non-compliance with European Union procurement directives : a multidisciplinary perspective
Gelderman, Cees J., (2010)
Investigating Cooperative Purchasing Performance - A Survey Of Purchasing Professionals In Dutch Hospitals
Gelderman, Cees Johannes, (2018)