Wisniewski, Zbigniew, Józef Kuczmaszewski, Katarzyna Halicka, Maciej Kuboń, Sławomir Kocira, Andrzej Marczuk, and Beata Oleksiak. “Critical Assessment and Recommendations for Sewage Sludge Management in Poland”. Economics and Environment 87, no. 4 (January 29, 2024): 641, 1–28. Accessed May 15, 2024. https://www.ekonomiaisrodowisko.pl/journal/article/view/641.