Efficiency Evaluation of Cyber Security Based on EBM-DEA Model. The Eurasia Proceedings of Science, Technology, Engineering and Mathematics, [S. l.], v. 17, p. 38–44, 2022. DOI: 10.55549/epstem.1175908. Disponível em: https://www.epstem.net/index.php/epstem/article/view/407. Acesso em: 22 mar. 2026.