Numerical Solution of the SEITR Model with Standard Incidence for Hepatitis B Transmission Using the Fourth-Order Runge–Kutta Method. Derna University Journal of Applied Sciences, [S. l.], v. 3, n. 1, p. 202–2014, 2026. DOI: 10.58987/zqzzpe91. Disponível em: https://dp.uod.edu.ly/index.php/dujas/article/view/133. Acesso em: 18 sep. 2026.