ARUNACHALAM, N; PRABAVATHY, P; PRIYATHARSHINI, S. Hidden Markov Model Based Fault Tolerance in Credit Card Transaction Security. International Journal of Engineering and Technology, [S. l.], v. 7, n. 2.32, p. 153–157, 2018. DOI: 10.14419/ijet.v7i2.32.15392. Disponível em: https://sciencepubco.com/index.php/IJET/article/view/15392.. Acesso em: 28 apr. 2025.