COMPARATIVE STUDY OF CREDIT CARD FRAUD DETECTION USING HIDDEN MARKOV MODEL. International Journal of Engineering Sciences & Management Research, [S. l.], v. 4, n. 5, p. 8–12, 2017. Disponível em: https://ijesmr.com/index.php/ijesmr/article/view/382. Acesso em: 25 feb. 2026.