Maghfiroh, A.M., Musvika, S.D. and Abdullayev, V. (2025) “Performance Comparison of ECG Bio-Amplifier Between Single and Bi-Polar Supply Using Spectrum Analysis Based on Fast Fourier Transform”, Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics, 4(4), pp. 174–181. doi:10.35882/ijeeemi.v4i4.156.