@book { ReflectionsaboutContemporaryManagement,
    title = "Reflections about Contemporary Management",
    author = "Barbara {Kożuch} and Łukasz {Sułkowski}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b11992",
    url = "https://www.peterlang.com/document/1068712"
}