Surya Lakshmi Kantham Vinti, K V S Ramachandra Murthy, N. M. R. S. V. S. N. N. K. “A Bibliometric Survey on Heart Disease Prediction and Classification ”. Design Engineering, Sept. 2021, pp. 7097-30, http://thedesignengineering.com/index.php/DE/article/view/4201.