https://www.politico.eu/wp-content/uploads/2022/05/27/Garicano-OpEd-Russian-Oil-Tariff-EUCO.pdf
https://documents-dds-ny.un.org/doc/UNDOC/LTD/N22/622/29/PDF/N2262229.pdf?OpenElement
https://blogs.lse.ac.uk/europpblog/2023/02/06/is-a-breakthrough-in-serbia-kosovo-negotiations-finally-possible/
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/969402/The_Integrated_Review_of_Security__Defence__Development_and_Foreign_Policy.pdf