Socha, Paweł, and Paulina Szynkaruk. “Changes in the Budget Structure of Polish Households in the Years 2008–2018”. Journal of Finance and Financial Law 4, no. 28 (December 31, 2020): 129–147. Accessed February 8, 2026. https://www.czasopisma.uni.lodz.pl/fipf/article/view/9336.