Jaya Akeh, Limas, and Gede Putra Kusuma. “Mixed Emotion Recognition Through Facial Expression Using Transformer-Based Model”. Statistics, Optimization & Information Computing 13, no. 2 (October 2, 2024): 531-546. Accessed December 5, 2025. http://www.iapress.org/index.php/soic/article/view/2103.