@book { StreetchildreninBrazilDailystrugglesinacomplexsocialsetting,
    title = "Street children in Brazil. Daily struggles in a complex social setting",
    author = "Michaela {Harfst}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656442974",
    url = "https://www.hausarbeiten.de/document/215759"
}