SOŁTUNIAK, Joanna. Changes in support systems for the production of energy from renewable sources in Poland on the example of small hydropower plants in the years 1981–2023. Studia Prawno-Ekonomiczne, [S. l.], v. 132, 2024. DOI: 10.26485/SPE/2024/132/6. Disponível em: https://ojsltn.uni.lodz.pl/Studia-Prawno-Ekonomiczne/article/view/2447. Acesso em: 3 dec. 2024.