@book { ThePrivateSectorandtheMarginalizedPoor,
    title = "The Private Sector and the Marginalized Poor",
    author = "Christine {Husmann}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06671-5",
    url = "https://www.peterlang.com/document/1050101"
}