References
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- [2] https://eur-lex.europa.eu/resource.html?uri=cellar:cff8990a-e1ee-11e5-8a50-01aa75ed71a1.0001.02/DOC_1&format=PDF
- [3] Kanchevski, T., Bulgaria in the foreign policy of the European Union after 2007, SNOWMOD Publishing 2021, p. 154. ISBN 978-619-91563-6-0.
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