KAMBO, Katarzyna. Income level and structure of farmers in accountable farms in 2019. Ubezpieczenia w Rolnictwie – Materiały i Studia, [S. l.], n. 2/76, p. 257–270, 2021. Disponível em: https://ojs.academicon.pl/ur/article/view/10090. Acesso em: 6 wrz. 2025.