@book { LanguageUseinEthiopiafromaNetworkPerspective,
    title = "Language Use in Ethiopia from a Network Perspective",
    author = "Ronny {Meyer} and Renate {Richter}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095340"
}