F. N. Jamaluddin, Z. A. K. Bakti, M. Kamal, and A. Aminudin, “Wavelet Analysis on FECG Detection Using Two Electrodes System Device”, IJIE, vol. 5, no. 3, Jan. 2014, Accessed: Aug. 07, 2026. [Online]. Available: https://journal.uthm.edu.my/index.php/ijie/article/view/824