Aulia, A.I., Hutapea, A.J., Siregar, A.M. and Surjandy 2026. Lightweight YOLO Models for Robust Facial Expression Detection. Jurnal Teknologi Informasi dan Pendidikan. 19, 2 (Apr. 2026), 1449–1463. DOI:https://doi.org/10.24036/jtip.v19i2.1120.