
https://www.bruegel.org/analysis/sanctions-against-russia-will-worsen-its-already-poor-economic-prospects

https://www.jean-jaures.org/publication/solidarite-internationale-lopinion-europeenne-et-le-soutien-a-lukraine/

http://ecdpm.org/wp-content/uploads/ETTG-Brief-Keijzer-Medinilla-November-2017.pdf