A. Onyango, B. Okelo, and R. Omollo, “Topological Data Analysis of COVID-19 Using Artificial Intelligence and Machine Learning Techniques in Big Datasets of Hausdorff Spaces”, JDSIS, vol. 1, no. 1, pp. 55–64, Mar. 2023, doi: 10.47852/bonviewJDSIS3202701.