1. Alexandrova AY (2012) Political and administrative boundaries: from a barrier to a tourist resource. Bull Moscow Univ Ser 5: Geogr 2012(3):15–20. (in Russian)
2. Alexandrova AY (2015) Recreational geography and geography of tourism. In: Baklanov PY (ed) Socioeconomic geography in Russia. Dalnauka, Vladivostok, pp 81–84. (in Russian)
3. Arnberg J, Ekesiöö C, Sundström J (2010) Gränsöverskridande destinationsutveckling – En undersökning av turismsamarbeten som sträcker sig över nationella gränser med fallstudie av Öresundsregionen Candidate thesis. Vt 2010.
http://lup.lub.lu.se/luur/download?func=downloadFile&recordOId=1766332&fileOId=8961258
. Accessed 30 Jan 2020
4. Brym M (2013) Border landscapes on the EU periphery: examples of integration and division polish and Ukrainian cities. Focus Geogr 56(3):84–94
5. Cudny W (2009) Tourism and its role in the integration of divided regions. Region Regionalism 9(2):161–166