@book { ReThinkingELearningResearch,
    title = "Re-Thinking E-Learning Research",
    subtitle = "Foundations, Methods, and Practices",
    author = "Norm {Friesen}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1104544"
}