Computer Virus Fractional Order Model with Effects of Internal and External Storage Media. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 15, n. 3, p. 897–915, 2022. DOI: 10.29020/nybg.ejpam.v15i3.4378. Disponível em: https://www.ejpam.com/ejpam/article/view/4378. Acesso em: 23 feb. 2026.