http://ec.europa.eu/transport/sites/transport/files/pocketbook2016.pdf
https://www.technologyreview.com/2020/06/12/1003360/inside-amazons-pandemic-hiring-race/?truid=f57cbabe00e1d1b551955d9c7115252a&utm_source=coronavirus&utm_medium=email&utm_campaign=coronavirus.unpaid.engagement&utm_content=06-12-2020
https://www.wilsoncenter.org/sites/default/files/media/uploads/documents/Venezuela%20Desk_FranciscoMonaldi_1.pdf
https://www.eca.europa.eu/ECAPublications/RV-2023-04/RV-2023-04_EN.pdf