Protsenko, T., Y. Sobol, P. Yerpyntsev, V. Koshchynets, and A.-M. Anheleniuk. “Legal Regulation of Payment Systems in Ukraine: Current Situation and the Prospects for Development”. Political Questions, Vol. 39, no. 69, July 2021, pp. 446-61, doi:10.46398/cuestpol.3969.28.