@book { DevelopmentofaconsultingapproachbasedonvalueinnovationsformanagementconsultingbusinessofsmallandmediumsizedcompaniesinGermany,
    title = "Development of a consulting approach based on 'value innovations' for management consulting business of small and medium-sized companies in Germany",
    author = "Carsten {Siegemund}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836612548",
    url = "https://m.diplom.de/document/225751"
}