OKOGBENIN, Kelly; DANIEL, Tedun Awi. Securing the Brownfield: A Retrofit-First Framework for OT Cybersecurity in Legacy Process Plants. International Journal of Technology, Management and Humanities, [S. l.], v. 9, n. 04, p. 344–376, 2023. DOI: 10.21590/ijtmh20230904028. Disponível em: https://ijtmh.com/index.php/ijtmh/article/view/406. Acesso em: 19 sep. 2026.