An Optimized Feature-Level Fusion Framework for Multimodal Biometric Authentication Using ML Classifiers. International Journal of Environmental Sciences, [S. l.], v. 11, n. 7s, p. 120–135, 2025. DOI: 10.64252/jmz3x190. Disponível em: http://theaspd.com/index.php/ijes/article/view/1321.. Acesso em: 24 sep. 2025.