YOLANDA, A.; RISMAYATI ARUAN, R. . Peningkatan Kinerja Karyawan PT Smartfren Sumbagut Adam Malik Melalui Optimalisasi Komunikasi Organisasi Internal. Jurnal ILMAN (Jurnal Ilmu Manajemen), [S. l.], v. 12, n. 2, p. 102-107, 2024. DOI: 10.35126/ilman.v12i2.724. Disponível em: https://journals.lppm-sukma.id/index.php/ilman/article/view/724. Acesso em: 30 aug. 2026.