Khan, M. ., B. K. . Singh, N. . Nirala, M. T. . Hasan, and M. . Nasiruddin. “Multi-Domain Feature-Based Expert Diagnostic System for Detection of Hypertension Using Photoplethysmogram Signal”. International Journal of Intelligent Systems and Applications in Engineering, vol. 10, no. 4, Dec. 2022, pp. 424-33, https://ijisae.org/index.php/IJISAE/article/view/2278.