MORALES RANGEL , M. D. V. . Applied mathematics in crisis scenarios (Covid-19). Revista EDUCARE - UPEL-IPB - Segunda Nova Etapa, [S. l.], v. 24, n. 2, p. 353–366, 2020. DOI: 10.46498/reduipb.v24i2.1335. Disponível em: https://www.revistas.investigacion-upelipb.com/index.php/educare/article/view/1335. Acesso em: 29 jun. 2026.