Jha, Priyanka, et al. “A Comparative Study of Time-Domain, Wavelet, And Morphological Features for ECG Beat Classification Using Random Forest”. International Journal of Artificial Intelligence and Machine Learning, vol. 6, no. 3, Sept. 2026, pp. 584-9, https://mail.svedbergopen.com/index.php/ijaiml/article/view/1922.