Vargas-Pichón, Humberto B., Edson A. Coayla-Teran, and Edgar Tejada-Vásquez. “The SIRD Epidemiological Model Applied to Spread of the COVID-19 in the Peruvian región of Tacna”. Selecciones Matemáticas 9, no. 01 (July 27, 2022): 137 - 144. Accessed December 26, 2024. https://revistas.unitru.edu.pe/index.php/SSMM/article/view/3915.