@book { DigitalMarketingApplications,
    title = "Digital Marketing Applications",
    author = "Hatice {Aydin}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b16301",
    url = "https://www.peterlang.com/document/1111055"
}