@book { DiekritischeDarstellungderBenchmarkingkonzepte,
    title = "Die kritische Darstellung der Benchmarkingkonzepte",
    author = "Sadik {Altindal}",
    year = "2008",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640218660",
    url = "https://www.hausarbeiten.de/document/114712"
}