SAMOSIR, Orianta; GLORIA J M SIANIPAR; SITORUS, Sunday Ade. Pengaruh Kualitas Produk, Brand Image, Dan Viral Marketing Terhadap Keputusan Pembelian Kopi Kenangan Di Store M. Yamin Kota Medan. Economics and Digital Business Review, [S. l.], v. 6, n. 2, p. 127–138, 2025. DOI: 10.37531/ecotal.v6i2.2323. Disponível em: https://ojs.stieamkop.ac.id/index.php/ecotal/article/view/2323. Acesso em: 14 may. 2026.