Sznajder, Agnieszka. “Evidence from an Expert Opinion in Administrative Proceedings, Using the Example of Proceedings Concerning Violations of the Water Status on Land”. Studia Prawnicze. Rozprawy i Materiały / Studies in Law: Research Papers 37, no. 2 (December 23, 2025): 267–281. Accessed September 10, 2026. https://journals.uafm.edu.pl/sil/article/view/238.