@book { ActiveLearningforStudentsandTeachers,
    title = "Active Learning for Students and Teachers",
    author = "David {Stern} and Günter L. {Huber}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1084521"
}