KURAESIN, E. PENGARUH KEGIATAN PROMOSI PRODUK VAS (VALUE ADDED SERVICE) UNGGULAN TERHADAP PENINGKATAN VOLUME PENJUALAN PT INDOSAT, TBK. INOVATOR, [S. l.], v. 1, n. 2, 2016. DOI: 10.32832/inovator.v1i2.170. Disponível em: https://ejournal.uika-bogor.ac.id/index.php/INOVATOR/article/view/170. Acesso em: 23 dec. 2024.