Sathish, S., and K Mohanasundaram. “An Atrial Fibrillation With Normal Limits Using Signal Processing- A Review”. International Journal of Engineering & Technology 7, no. 2.24 (April 25, 2018): 453–456. Accessed May 7, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/12133.