Kuczabski, Aleksander, et al. “The Reform of Administrative Division in Ukraine: Problems of Territorial communities’ Formation in the Polish-Ukrainian Borderland”. Journal of Geography, Politics and Society, vol. 7, no. 2, June 2017, pp. 87-97, https://czasopisma.bg.ug.edu.pl/index.php/JGPS/article/view/3614.