Jyoti, et al. “Advanced Facial Expression Recognition Using Unified Multimodal LSTM Framework With Position Attention and Hybrid Grey Wolf–Ant Lion Optimization”. International Journal of Artificial Intelligence and Machine Learning, vol. 6, no. 9s, Sept. 2026, pp. 1997-06, doi:10.51483/IJAIML.6.9s.2026.1997-2006.