MARINOVA-KOSTOVA, Kremena; KOSTOV, Ivaylo. Application of Internet of Things in Industry 4.0. Economics Ecology Socium, [S. l.], v. 5, n. 2, p. 49–58, 2021. DOI: 10.31520/2616-7107/2021.5.2-6. Disponível em: https://ees-journal.com/index.php/journal/article/view/167. Acesso em: 31 jul. 2026.