Applicability of Facial Video-Based Alertness Estimation Model in Real Online and In-Person Classrooms. International Conference on Computers in Education, [S. l.], 2025. DOI: 10.58459/icce.2025.5918. Disponível em: https://library.apsce.net/index.php/ICCE/article/view/5918. Acesso em: 13 sep. 2026.