- The approximation of the Ukrainian social legislation to the EU acquis in times of war : the key challenges for reformsFedorova, Alla; Hamulak, OndrejEastern Journal of European Studies2024 / p. 172–191 https://doi.org/10.47743/ejes-2024-SI08
- Social policy in the European Union : genesis, obstacles and digital futureRamiro Troitino, David; Ivic, Sanja; Hamulak, Ondrej; Fedorova, AllaEuropean Studies : The Review of European Law, Economics and Politics2023 / p. 15-32 https://doi.org/10.2478/eustu-2023-0001 https://www.scopus.com/sourceid/21101045764 https://www.scopus.com/record/display.uri?eid=2-s2.0-85185941942&origin=inward&txGid=e1850b1adeab8fab83c2d196557ef929
- Social rights of internally displaced persons in Ukraine : New challenges in the context of Russian full scale military aggressionFedorova, Alla; Hamulak, OndrejInternational and comparative law review2023 / p. 170-188 https://doi.org/10.2478/iclr-2023-0019