@book { Theexpertinterviewasamethodofqualitativesocialresearch,
    title = "The expert interview as a method of qualitative social research",
    author = "Stefanie {Monke}",
    year = "2021",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/1158768"
}