@book { HumanTraffickingasaQuintessenceof21stCenturySlavery,
    title = "Human Trafficking as a Quintessence of 21st Century Slavery",
    author = "Chigozie {Nnebedum}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b11407",
    url = "https://www.peterlang.com/document/1054628"
}