Loan repayment systems. International Seven Journal of Multidisciplinary, [S. l.], v. 2, n. 4, p. 632–660, 2023. DOI: 10.56238/isevmjv2n4-012. Disponível em: https://sevenpubl.com.br/ISJM/article/view/2465. Acesso em: 21 aug. 2025.