@book { FormendesEngagementsvoninternationalenUnternehmeninTransformationslndern,
    title = "Formen des Engagements von internationalen Unternehmen in Transformationsländern",
    author = "El-Hussein {Khaled}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832439132",
    url = "https://m.diplom.de/document/219554"
}