@book { InSearchofTheActiveLearner,
    title = "«In Search of The Active Learner»",
    author = "Jutta {Rymarczyk} and Helga {Haudeck}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095862"
}