[1]
J. A. Sugihdharma, F. Bachtiar, and N. Yudistira, “Improving Frame-based Engagement Classification in E-Learning Using EfficientNet and Normalized Loss Weighting”, J. RESTI (Rekayasa Sist. Teknol. Inf.) , vol. 9, no. 3, pp. 551 - 561, Jun. 2025.