NAND, Shardha; ALI, Siti Haryani Shaikh; MUSA, Shahrulniza; SU’UD, Mazliham Mohd. A Real-Time Deep Learning Framework for Classroom Facial Expression Recognition: Performance Optimization and Model Evaluation. Engineering, Technology & Applied Science Research, Greece, v. 16, n. 3, p. 35523–35528, 2026. DOI: 10.48084/etasr.17088. Disponível em: https://mail.etasr.com/index.php/ETASR/article/view/17088. Acesso em: 8 jun. 2026.