The SIRD epidemiological model applied to spread of the COVID-19 in the Peruvian región of Tacna. Selecciones Matemáticas, [S. l.], v. 9, n. 01, p. 137–144, 2022. DOI: 10.17268/sel.mat.2022.01.10. Disponível em: https://revistas.unitru.edu.pe/index.php/SSMM/article/view/3915. Acesso em: 20 sep. 2026.