NASTERNAK, Ernest. The fall of non-insurance functions of the retirement part of agricultural social insurance. Ubezpieczenia w Rolnictwie – Materiały i Studia, [S. l.], n. 2/78, p. 87–95, 2022. Disponível em: https://ojs.academicon.pl/ur/article/view/10023. Acesso em: 1 wrz. 2025.