Grzybowska-Brzezińska, M., Doczyk, K. B., & Kuśmierz, K. E. (2018). Impact of Additional Income from the "Family 500+" Program on Household Expenditures. Studia Oeconomica Posnaniensia, 6(12), 73-85. https://doi.org/10.18559/SOEP.2018.12.5