V. Phalguna Kumar, and G. Amjad Khan. “QRS Detection Algorithm for Electrocardiogram Signal”. International Journal of Advance Engineering and Research Development (IJAERD) 4, no. 8 (August 25, 2017): 357–363. Accessed July 8, 2025. https://ijaerd.org/index.php/IJAERD/article/view/3501.