Klymenko, I. V., D. V. Shvets, O. Tsyhanov, y L. H. Mohilevska. «Services Provided by Public Authorities: Features of Legal Regulation in Ukraine and the European Union». Amazonia Investiga, vol. 9, n.º 31, agosto de 2020, pp. 44-51, doi:10.34069/AI/2020.31.07.4.