PODSTAWKA, Marian. Burden on farm incomes from the social and health insurance of farmers. Ubezpieczenia w Rolnictwie – Materiały i Studia, [S. l.], n. 2/76, p. 65–75, 2021. Disponível em: https://ojs.academicon.pl/ur/article/view/10080. Acesso em: 5 wrz. 2025.