Słotwiński, S. 2020. The results of changing the method of using the real estate put into perpetual usufruct in opposition to the purpose set out in the contract and the purpose of the land resulting from the area development plan. Ruch Prawniczy, Ekonomiczny i Socjologiczny. 82, 1 (Mar. 2020), 145–159. DOI:https://doi.org/10.14746/rpeis.2020.82.1.10.