@book{Schaper+2019,
url = {https://doi.org/},
title = {Strategisches Marketingmanagement},
title = {Einführung in Theorie und Praxis},
author = {Thorsten Schaper},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:},
isbn = {9783428380466},
year = {2016},
lastchecked = {2019}
}