Use of Technology in Industry 4.0 to support the fight against the COVID-19 epidemic through a hand hygiene dispenser using locally built devices. Latin-American Journal of Computing, [S. l.], v. 7, n. 2, p. 124–137, 2020. Disponível em: https://lajc.epn.edu.ec/index.php/LAJC/article/view/210. Acesso em: 9 oct. 2025.