@book { BotswanaTheFutureoftheMinorityLanguages,
    title = "Botswana: The Future of the Minority Languages",
    author = "Herman M. {Batibo} and Birgit {Smieja}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1089774"
}