
http://www.inegalites.fr/spip.php?page=analyse&id_article=2289&id_rubrique=64&id_mot=30&id_groupe=9

https://www.socialeurope.eu/2017/06/trade-unions-and-the-decline-of-social-democracy/

https://theconversation.com/maduro-objetivo-silenciar-a-la-disidencia-228066