Instant Payment Systems Research: A Bibliometric Study. West Science Social and Humanities Studies , [S. l.], v. 4, n. 04, p. 447–455, 2026. DOI: 10.58812/wsshs.v4i04.2819. Disponível em: https://wsj.westsciences.com/index.php/wsshs/article/view/2819. Acesso em: 6 may. 2026.