LIU, Yang; 						YU, Chen-Yue; 						SHEN, Ke-Ming.
 Researches on the COVID-19 epidemic in the world within a nonextensive SIR model.
<strong>Medical Research Archives</strong>, [S.l.], v. 10, n. 6, june 2022.
ISSN 2375-1924.
Available at: &lt;<a href="https://esmed.org/MRA/mra/article/view/2904" target="_new">https://esmed.org/MRA/mra/article/view/2904</a>&gt;. Date accessed: 04 may 2024.
doi: <a href="https://doi.org/10.18103/mra.v10i6.2904">https://doi.org/10.18103/mra.v10i6.2904</a>.