Duarte, Rigoberto Fimia, Ricardo Osés Rodríguez, Pedro Y. de la Fé Rodríguez, Claudia Osés Llanes, María P. Zambrano Gavilanes, Luis E. Jerez Puebla, and Frank M. Wilford González. “COVID-19: Fitting a ROR Prediction Model for Cuba As Vaccination Advance”. European Journal of Applied Sciences 9, no. 5 (September 18, 2021): 56–65. Accessed April 23, 2024. https://journals.scholarpublishing.org/index.php/AIVP/article/view/10864.