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W van der Valk
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Authored
3 records found
Tackling the challenges in buying value-added marketing services
Conference paper -
W van der Valk
,
MRB Reunis
,
F. Wynstra
Marketing inkoop vergt inkoop marketing
Journal article -
MRB Reunis
,
W van der Valk
Securing customer satisfaction through component service specifications purchasing maintenance services for social rented housing
Journal article -
HJ van Mossel
,
W van der Valk