SOFIANA TAMBUNAN, Yenni; AZWARNI SINAGA, Nelly. PENGARUH PROMOSI PENJUALAN TERHADAP OMZET PENJUALAN PADA CV. GRAHA MINERAL ARSI SIBOLGA. Akrab Juara : Jurnal Ilmu-ilmu Sosial, [S. l.], v. 6, n. 3, p. 14–29, 2021. DOI: 10.58487/akrabjuara.v6i3.1543. Disponível em: https://akrabjuara.com/index.php/akrabjuara/article/view/1543. Acesso em: 30 dec. 2025.