@book { IsitbeneficialfortheAfricanUniontointroduceaCommonCurrency, title = "Is it beneficial for the African Union to introduce a Common Currency?", author = "Katharina {Osterholt}", year = "2012", publisher = "GRIN Verlag", address = "München, Germany", doi = "10.3239/9783656196020", url = "https://www.hausarbeiten.de/document/193726" }