Rifat al Jufri, and Susi Juniastuti. “Desain Dan Implementasi Sepeda Statis Untuk Kebugaran Berbasis Sensor PPG”. Journal of Computer Engineering, Network, and Intelligent Multimedia 3, no. 2 (July 15, 2025): 74–81. Accessed February 9, 2026. https://jcenim.com/index.php/jcenim/article/view/72.