@book { StudiesonInterdisciplinaryEconomicsandBusinessVolumeII,
    title = "Studies on Interdisciplinary Economics and Business - Volume II",
    author = "Özer {Özçelik}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b16227",
    url = "https://www.peterlang.com/document/1111057"
}