ADELIA OCTAVIANA M; GHINA, Astri. Validation of The Business Model of IOT Digital Industry-Class Services. International Journal of Economics and Management Sciences, [S. l.], v. 2, n. 4, p. 11–25, 2025. DOI: 10.61132/ijems.v2i4.894. Disponível em: https://international.areai.or.id/index.php/IJEMS/article/view/894. Acesso em: 11 dec. 2025.