Nasternak, Ernest. 2022. „Lex Lata and Lex Ferenda Remarks Regarding the Character of farmers’ Social Insurance Based on Articles 5a and 5b of the Act on Farmers’ Social Insurance”. Ubezpieczenia W Rolnictwie – Materiały I Studia, nr 1/77 (czerwiec):113-22. https://ojs.academicon.pl/ur/article/view/10066.