The SIRD epidemiological model using Caputo fractional derivatives applied to study the spread of the COVID-19 in the Peruvian region of Tacna. Sel.Mat. [Internet]. 28 de diciembre de 2024 [citado 19 de julio de 2026];11(02):236-48. Disponible en: https://revistas.unitru.edu.pe/index.php/SSMM/article/view/6155