Lampezhev, Abas, et al. “Methodological Approach to Automated Recognition of Atrial Fibrillation and Subsequent Classification”. Indonesian Journal of Electrical Engineering and Informatics (IJEEI), vol. 13, no. 1, Mar. 2025, pp. 169-83, https://doi.org/10.52549/ijeei.v13i1.6170.