ZHANG, Zhang. A Framework for the Implementation and Optimization of Classified Cybersecurity Protection in Electric Power Critical Information Infrastructure. International Journal of Advance in Applied Science Research, [S. l.], v. 4, n. 8, p. 1–5, 2025. Disponível em: https://h-tsp.com/index.php/ijaasr/article/view/118. Acesso em: 2 nov. 2025.