RATHORE, M.; SATSANGI, C. S. Facial Expression Based Face Recognition Using Machine Learning with SVM Kernel: HMM and FDA. International Journal of Emerging Trends in Science and Technology, [S. l.], v. 2, n. 03, 2015. Disponível em: http://igmpublication.com/ijetst.in/index.php/ijetst/article/view/525. Acesso em: 31 jan. 2025.