@book { Constructingidentitiesinonlinecommunitiesofpractice,
    title = "Constructing identities in online communities of practice",
    subtitle = "A case study of online learning",
    author = "Leila {Kajee}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    url = "https://www.peterlang.com/document/1104223"
}