Sarmayanta Sembiring (2025) “TinyML-Based Stress Detection Using Time-Domain HRV Features and a Lightweight DNN on ESP32: Deteksi Stres Berbasis TinyML Menggunakan Fitur HRV Domain Waktu dan DNN Ringan pada ESP32”, NUANSA INFORMATIKA, 20(2), pp. 110–122. doi: 10.25134/ilkom.v20i2.624.