https://theconversation.com/el-lobby-bajo-la-lupa-es-una-actividad-democratica-221947
http://comprop.oii.ox.ac.uk/wp-content/uploads/sites/93/2018/07/ct2018.pdf
https://theconversation.com/french-tractor-protests-are-the-latest-rebellion-of-eu-farmers-against-unfair-competition-and-red-tape-will-their-strategy-pay-off-222212
https://www.politico.eu/wp-content/uploads/2023/05/08/Letter-to-President-Metsola-2023-05-052.pdf