Robin, C. R. Rene, Diana Moses, D. Vijendra Babu, Balambigai Subramanian, and Siva Shankar S. “A Novel Hybrid Based Method in Covid 19 Health System for Data Extraction With Blockchain Technology”. International Journal on Recent and Innovation Trends in Computing and Communication 11, no. 3s (March 11, 2023): 81–94. Accessed March 29, 2024. https://ijritcc.org/index.php/ijritcc/article/view/6159.