Krasowska, Małgorzata, Małgorzata Kowczyk-Sadowy, and Sławomir Obidziński. “Composting of Stabilized Municipal Sewage Sludge With Residues from Agri-Food Processing in Poland”. Economics and Environment 83, no. 4 (January 12, 2023): 103–116. Accessed April 25, 2024. https://ekonomiaisrodowisko.pl/journal/article/view/509.