Pichlerová, Ornella. “IoT and Wireless Sensor Network-Based Three-Tier Architecture for Continuous Cardiac Monitoring: A Comprehensive Review”. International Journal on Advanced Computer Theory and Engineering 12, no. 2 (August 4, 2023): 56–63. Accessed July 25, 2026. https://journals.mriindia.com/index.php/ijacte/article/view/3826.