@book { CaseManagementindersozialenAltenhilfe,
    title = "Case Management in der sozialen Altenhilfe",
    author = "Roman {R.}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656220152",
    url = "https://www.hausarbeiten.de/document/195787"
}