Husaini, F. G. H., Rido Taufiq Subagio, and Arif Nursetyo. “Design of an IoT-Based System for Monitoring Heart Rate and Oxygen Levels at Posyandu Latulif, Rajagaluh Village, Majalengka Regency”. Jurnal Riset Informatika, vol. 7, no. 4, Sept. 2025, pp. 355-6, doi:10.34288/jri.v7i4.410.