@book { TheIslamicFinancialSystem,
    title = "The Islamic Financial System",
    subtitle = "A Critical Analysis and Suggestions for Improving its Efficiency",
    author = "Sami {Tamer}",
    year = "2005",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099151"
}