J. . Gomes da Silva, “Evolution of COVID19 new cases in 16 countries and Scenarios for Brazil using metaphorical analysis of Board, Inverted Pyramid and Papyri ”, Int J Innov Educ Res, vol. 8, no. 4, pp. 560–607, Apr. 2020, doi: 10.31686/ijier.vol8.iss4.2314.