M. E. Benalcazar, C. I. L. Cifuentes, J. M. M. Ona, A. L. V. Caraguay, and L. I. B. Lopez, “Analysis of the Excess Deaths in Ecuador caused by the COVID-19 during 2020 and 2021”, Eng. Technol. Appl. Sci. Res., vol. 15, no. 1, pp. 19615–19626, Feb. 2025.