ZATONATSKA, Tetiana; VOLVACH, Olena. CURRENT STATE OF THE UKRAINIAN MARKET OF ELECTRONIC PAYMENT SYSTEMS. Scientific journal «World of Finance», [S. l.], n. 2(67), p. 118–128, 2021. DOI: 10.35774/sf2021.02.118. Disponível em: https://sf.wunu.edu.ua/index.php/wof/article/view/1453. Acesso em: 4 jun. 2026.