Pawełek, Jan. “Degree of Development and Functionality of the Water Supply and Sewage Systems in Rural Poland”. Regional Barometer. Analyses & Prognoses 14, no. 1 (April 22, 2016): 141–149. Accessed November 22, 2024. https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/686.