Zwoździak, Jerzy, Łukasz Szałata, and Kornelia Kwiecińska. “Renewable Energy Sources – a Mainstay of the City of Wroclaw and Lower Silesia Sustainable Development „M” Model Implementation”. Gospodarka w Praktyce i Teorii 37, no. 4 (January 1, 2014): 55–71. Accessed December 7, 2025. https://czasopisma.uni.lodz.pl/gospodarka/article/view/20170.