LÓPEZ-SANDOVAL, Víctor Edgardo. Covid-19 Vaccine Distribution: Combining SEIR and Machine Learning. Uniciencia, [S. l.], v. 36, n. 1, p. 1–15, 2022. DOI: 10.15359/ru.36-1.12. Disponível em: https://www.revistas.una.ac.cr/index.php/uniciencia/article/view/15216. Acesso em: 25 apr. 2026.