SIAGIAN, D.; DEMA, Y. Why is the smartphone market in Indonesia declining?. Jurnal Ekonomi Perusahaan, [S. l.], v. 30, n. 2, p. 10–18, 2024. DOI: 10.46806/jep.v30i2.1054. Disponível em: https://jurnal.kwikkiangie.ac.id/index.php/JEP/article/view/1054. Acesso em: 25 oct. 2025.