@book { CollaborativeLearningandNewMedia,
    title = "Collaborative Learning and New Media",
    author = "Christian {Ludwig} and Kris {Van de Poel}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b11402",
    url = "https://www.peterlang.com/document/1062373"
}