FENG, C. Periodic Solutions for Delayed Malware Mutation Model. Transactions on Engineering and Computing Sciences, [S. l.], v. 13, n. 06, p. 309–321, 2025. DOI: 10.14738/tmlai.1306.19668. Disponível em: https://journals.scholarpublishing.org/index.php/TMLAI/article/view/19668. Acesso em: 30 dec. 2025.