Fractional Discrete Modeling and Numerical Analysis of Hepatitis B and C Dynamics with Neural Network Approximation. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 18, n. 3, p. 6481, 2025. DOI: 10.29020/nybg.ejpam.v18i3.6481. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/6481. Acesso em: 5 dec. 2025.