T, S.; RAJEST, S. S. .; REGIN, R. .; R, S. . OTP as a Service in the Cloud Allows for Authentication of Multiple Services. International Journal on Orange Technologies, [S. l.], v. 5, n. 4, p. 94–112, 2023. DOI: 10.31149/ijot.v5i4.4306. Disponível em: https://journals.researchparks.org/index.php/IJOT/article/view/4306. Acesso em: 2 oct. 2026.