Aulia, Achmad Indra, Albert Jofrandi Hutapea, Amril Mutoi Siregar, and Surjandy. “Lightweight YOLO Models for Robust Facial Expression Detection”. Jurnal Teknologi Informasi dan Pendidikan 19, no. 2 (April 16, 2026): 1449–1463. Accessed April 18, 2026. http://tip.ppj.unp.ac.id/index.php/tip/article/view/1120.