https://ukandeu.ac.uk/out-of-rhythm-how-the-war-in-ukraine-complicates-the-franco-german-relationship/
https://cdn.ceps.eu/wp-content/uploads/2023/09/2023_17_Potential-Impact-of-Ukrainian-Accession-on-the-EUs-Budget.pdf
https://www.brookings.edu/wp-content/uploads/2021/04/FP_20210405_china_cyber_power.pdf