@book { AnAnalysisoftheRelationshipbetweenTaxRevenueandPublicExpenditureinNigeria,
    title = "An Analysis of the Relationship between Tax Revenue and Public Expenditure in Nigeria",
    author = "Zahradden {Adam}",
    year = "2019",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/506980"
}