Sejati, R.H.P., Mardhiyyah, R., Zulkhairi, Z., Istiqomah, N. and Prasetya, R.I.B. 2023. Real-time Smartphone Usage Surveillance System Based on YOLOv5. IJID (International Journal on Informatics for Development). 11, 2 (Feb. 2023), 242–251. DOI:https://doi.org/10.14421/ijid.2022.3766.