Pino Romero, Neisser, Percy Soto-Becerra, and Ricardo Angelo Quispe Mendizábal. 2020. “A Segmented SIR-D Mathematical Model for Coronavirus Propagation Dynamics (COVID-19) in Peru”. Selecciones Matemáticas 7 (01):162-71. https://doi.org/10.17268/sel.mat.2020.01.15.