1. Barua S. (2020), Understanding Coronanomics: The economic implications of the coronavirus (COVID-19) pandemic, SSRN, https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3566477. DOI https://doi.org/10.2139/ssrn.3566477
2. Bounaoui S. (2020, April 24), Ludzie tracą pracę, wiele jest rozdzielonych rodzin. Protest mieszkańców pogranicza, RMF24, https://www.rmf24.pl/raporty/raport-koronawirus-z-chin/polska/news-ludzie-traca-prace-wiele-jest-rozdzielonych-rodzin-protest-m,nId,4458703.
3. Bukowski C. (2020), Examining Small State Power in a European Environment: Slovenian Foreign Policy toward Croatia, “Slovene Studies”, 42(2).
4. Carrera S., Luk N. C. (2020), In the Name of COVID-19: An Assessment of the Schengen Internal Border Controls and Travel Restrictions in the EU, “Policy Department for Citizens’ Rights and Constitutional Affairs, Directorate-General for Internal Policies”, PE, https://www.sipotra.it/wp-content/uploads/2020/10/In-the-Name-of-COVID-19-An-Assessment-of-the-Schengen-Internal-Border-Controls-and-Travel-Restrictions-in-the-EU-1.pdf.
5. Dobkiewicz A. (2020, April 27), 2-letni Igorek bohaterem protestów rozdzielonych rodzin na granicy. Jego zdjęcia obiegły sieć w Polsce i Niemczech, „Gazeta Wyborcza”, https://wroclaw.wyborcza.pl/wroclaw/7,35771,25899817,protesty-rozdzielonych-rodzin-pozwolcie-tacie-wracac-do-igorka.html.