@book { TheWorthoftheSocialEconomy,
    title = "The Worth of the Social Economy",
    subtitle = "An International Perspective",
    author = " {CIRIEC}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    doi = "10.3726/978-3-0352-6157-8",
    url = "https://www.peterlang.com/document/1043996"
}