@book { InterkulturellesLernenmitkooperativenMethoden,
    title = "Interkulturelles Lernen mit kooperativen Methoden",
    author = "Verena {Stengel}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1104944"
}