Plaewe Nusantara, Bagus Rangge, et al. “Autonomous Optical Tracking System (AOTS): Development of A Computer Vision-Based Face-Tracking Pan-Tilt Prototype Using Arduino”. Jurnal Penelitian , vol. 11, no. 2, Aug. 2026, pp. 132-8, https://doi.org/10.46491/jp.v11i2.2629.