Organiściak-Krzykowska, A., and T. Wiśniewski. “Social Security of Disabled People in Poland Against the Background of European Union Countries”. Acta Universitatis Lodziensis. Folia Oeconomica, vol. 5, no. 350, Oct. 2020, pp. 83-100, doi:10.18778/0208-6018.350.05.