Cieślik, Iwona, Ewa Cieślik, Agnieszka Siembida, and Małgorzata Tomczyk. “Evaluation of Services’ Quality in Upper Silesia Accommodation Facilities”. Journal of Agribusiness and Rural Development 30, no. 4 (December 31, 2013): 21-36. Accessed May 6, 2024. http://www1.up.poznan.pl/jard/index.php/jard/article/view/664.