Venkatasen, Maheshwari, Sandeep Kumar Mathivanan, Prasanna Mani, Prabhu Jayagopal, Thanapal P, Manivannan Sorakaya Somanathan, Upendra Babu K, and Elangovan D. “Effectiveness of Contact Tracing Using KNN for COVID-19”. Journal of Mobile Multimedia 17, no. 4 (June 21, 2021): 789–808. Accessed November 3, 2024. https://journals.riverpublishers.com/index.php/JMM/article/view/6955.