[1]
A. Rizal, R. ., and T. Tresnawati, “Premature Ventricular Contraction Classification based on ECG Signal using Multilevel Wavelet entropy”, IJET, vol. 7, no. 4.36, pp. 1391–1394, Dec. 2018, doi: 10.14419/ijet.v7i4.36.28993.