Kozak, Sylwester, and Etleva Muça. “CHANGES IN THE LEVEL OF REGIONAL DEVELOPMENT OF ALBANIA AND VOIVODSHIPS IN POLAND IN 2010-2017”. Zeszyty Naukowe UPH seria Administracja i Zarządzanie 50, no. 123 (April 10, 2020): 37–44. Accessed April 27, 2024. https://czasopisma.uph.edu.pl/znadministracja/article/view/1614.