Service Innovation for Customer Satisfaction of Telecommunication Companies. ITEJ (Information Technology Engineering Journals), [S. l.], v. 5, n. 1, p. 14–24, 2020. DOI: 10.24235/itej.v5i1.39. Disponível em: https://itej.uinssc.ac.id/index.php/itej/article/view/39. Acesso em: 12 mar. 2026.