@book{2023, url = {https://doi.org/10.3790/9783896447821}, title = {Herausforderung für das Marketing in Forschung und Lehre}, title = {}, author = {}, publisher = {Verlag Wissenschaft & Praxis}, address = {}, doi = {doi:10.3790/9783896447821}, isbn = {9783896447821}, year = {1996}, lastchecked = {2023} }