FAUZIAH, U. U.; ELDINE, A.; SUME, S. A. Sales Promotion Dan Harga Terhadap Volume Penjualan. Manager : Jurnal Ilmu Manajemen, [S. l.], v. 2, n. 1, p. 145–160, 2019. DOI: 10.32832/manager.v2i1.1873. Disponível em: http://360665.5mvk4.group/index.php/Manager/article/view/1873. Acesso em: 22 feb. 2025.