Nguyen, T.-L. and Tran, Q.-H. (2026) “Constructing waveform of P, Q, R, S, and T waves in ECG signals for cardiovascular disease diagnosis”, HPU2 Journal of Science: Natural Sciences and Technology, 5(01), pp. 65–75. doi: 10.56764/hpu2.jos.2026.5.01.65-75.