Cruz, D. O. (2021). A mathematical perspective for the behavior of Covid-19 in Boyacá. Uptc.
Chicago-viite (17. p.)Cruz, David Octavio. A Mathematical Perspective for the Behavior of Covid-19 in Boyacá. Uptc, 2021.
MLA-viite (9. p.)Cruz, David Octavio. A Mathematical Perspective for the Behavior of Covid-19 in Boyacá. Uptc, 2021.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.