Nurwati, Nila Yoga Tama, Fatma Indriani, Friska Abadi, Dodon Turianto Nugrahadi, and Rudy Herteno. “Depression Level Classification Using Compact Cross-Domain Feature Engineering on Sleep, Physical Activity, and Demographic Data”. Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics 8, no. 3 (July 5, 2026): 335–351. Accessed July 9, 2026. https://ijeeemi.org/index.php/ijeeemi/article/view/356.