SAITO, Takesi. Analyses of COVID-19 in Japan by the Mathematical Model of SIR. European Journal of Applied Sciences, [S. l.], v. 10, n. 3, p. 784–796, 2022. DOI: 10.14738/aivp.103.12568. Disponível em: https://scholarpublishing.org/journals/index.php/EJAS/article/view/8170. Acesso em: 30 may. 2026.