@book { DieModernisierungvonMadrasasKoranschuleninIndien,
    title = "Die Modernisierung von Madrasas (Koranschulen) in Indien",
    author = "Horst Friedrich {Rolly}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1094077"
}