Kotsan, N., Kopachinska, G., Vozniuk, Y. and Kotsan, R. 2023. Basic models of protection and functioning of the Ukrainian border in modern geopolitical realities: a view from Ukraine . European Spatial Research and Policy. 29, 1 (Dec. 2023), 79–95. DOI:https://doi.org/10.18778/1231-1952.29.1.04.