M. Aniq Wafa, S. Mandala, and M. Pramudyo, “Performance Analysis of PPG Signal Denoising Method Using DWT and EMD for Detection of PVC and AF Arrhytmias: Analisis Performansi Metode Denoising Sinyal PPG Menggunakan DWT dan EMD untuk deteksi Aritmia PVC dan AF”, IndoJC, vol. 7, no. 2, pp. 35–44, Aug. 2022.