Arvanitis, A., I. Furxhi, T. Tasioulis, and K. Karatzas. “Prediction of the Effective Reproduction Number of COVID-19 in Greece. A Machine Learning Approach Using Google Mobility Data”. Journal of Decision Analytics and Intelligent Computing, vol. 1, no. 1, Dec. 2021, pp. 1-21, doi:10.31181/jdaic1001202201f.