MANURUNG, R. SISTEM INFORMASI PEMASARAN PRODUK KOPI ARABIKA GUNUNGMALANG BERBASIS ANDROID. Jurnal Keuangan dan Bisnis, [S. l.], v. 19, n. 1, p. 114–131, 2021. DOI: 10.32524/jkb.v19i1.154. Disponível em: http://103.165.236.247/index.php/jkb/article/view/154. Acesso em: 19 sep. 2024.