@book { IslamicTextbooksandCurriculainEurope,
    title = "Islamic Textbooks and Curricula in Europe",
    author = "Ednan {Aslan}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1108398"
}