Kotler, PhilipKeller, K.Robben, HansGeuens, MaggiePonfoort, O.2017-12-022017-12-0220109789043018593http://hdl.handle.net/20.500.12127/3745nlMarketing ManagementMarketing Management: De Essentie - 4de editie51213140810140826141020803264270