FERDI PURNAMA, Luxhita Guntiara; FERDI PURNAMA, Luxhita Guntiara. KUALITAS PRODUK DAN PROMOSI TERHADAP KEPUTUSAN PEMBELIAN PRODUK DEWI AMERTHA COFFEE. PERFORMA, [S. l.], v. 3, n. 6, p. 759–764, 2020. DOI: 10.37715/jp.v3i6.1355. Disponível em: https://ojs.somebut.my.id/index.php/performa/article/view/1355. Acesso em: 19 feb. 2026.