@book { TheTheoryandPracticeofFreeEconomicZones,
    title = "The Theory and Practice of Free Economic Zones",
    author = "Guangwen {Meng}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1096236"
}