Development of a monitoring system for COVID-19 monitoring in early stages. Periodicals of Engineering and Natural Sciences, [S. l.], v. 11, n. 2, p. 48–61, 2023. DOI: 10.21533/pen.v11.i2.99. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/99. Acesso em: 2 aug. 2026.