@book { LinkagesinSouthAfricanEconomicDevelopment,
    title = "Linkages in South African Economic Development",
    author = "Oliver {Schwank}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13904",
    url = "https://www.peterlang.com/document/1068454"
}