@book { KeySuccessFactorsforImplementingCRMinSalesDepartmentsofB2BCompanies,
    title = "Key Success Factors for Implementing CRM in Sales Departments of B2B Companies",
    author = "Goran {Krpan}",
    year = "2018",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/419407"
}