Marsudi Tangguh Dwi Sasongko, & Rini Suwartika. (2024). Design and Build Uno Android-Based Heart Rate Detector to Support First Aid Performance at PMI Kebumen Regency. Jurnal E-Komtek (Elektro-Komputer-Teknik), 8(2), 528-537. https://doi.org/10.37339/e-komtek.v8i2.2184