Lipiński, Seweryn, and Tomasz Olkowski. “Analysis of the Possibility of Achieving Energy Self-Sufficiency on the Communal Level in North-Eastern Poland”. Technical Sciences 25 (December 7, 2022): 183–192. Accessed April 29, 2024. https://czasopisma.uwm.edu.pl/index.php/ts/article/view/7822.