JĘDRZEJCZAK, Alina; PEKASIEWICZ, Dorota. Income Situation of Households in the Łódź Voivodeship. Poland: Lodz University Press,2023. DOI: 10.18778/8331-187-6. Disponível em: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/26. Acesso em: 12 feb. 2026.