PANNAVIRA; HERMAWAN, Aditiya. Multimodal Wearable-Based Stress Detection Using Machine Learning: A Systematic Review of Validation Protocols and Generalization Gaps (2021 – 2025). Ultimatics : Jurnal Teknik Informatika, [S. l.], v. 17, n. 2, p. 203–213, 2026. DOI: 10.31937/ti.v17i2.4488. Disponível em: https://ejournals.umn.ac.id/index.php/TI/article/view/4488. Acesso em: 27 mar. 2026.