https://eur-lex.europa.eu/eli/dir/2019/1152/oj
https://www.imk-boeckler.de/fpdf/HBS-008792/p_imk_study_91_2024.pdf
https://fpc.org.uk/wp-content/uploads/2020/12/Unsafe-for-Scrutiny-December-2020-publication.pdf
https://www.opendemocracy.net/en/pandemic-border/keeping-italian-agri-food-system-alive-migrant-farmworkers-wanted/