CHENNI KUMARAN.J; FAZIL SHA .I; SANTHOSH KUMAR.U; VAMSIKRISHNA .M. CREDIT CARD FRAUD DETECTION SYSTEM USING HIDDEN MARKOV MODEL – BEHAVIOUR BASED APPROACH. International Journal of Advance Research in Engineering, Science & Technology, [S. l.], v. 6, n. 3, p. 88–92, 2019. Disponível em: https://ijarest.org/index.php/ijarest/article/view/1912. Acesso em: 21 feb. 2026.