ANDRI WIDIANTO; ALI SAMSURI; HARIYANTI, Sri. Strategi Variasi Produk dalam Mengembangkan Usaha Kedai Kopi. Istithmar, [S. l.], v. 7, n. 2, p. 91–104, 2024. DOI: 10.30762/istithmar.v7i2.976. Disponível em: https://jurnalfebi.iainkediri.ac.id/index.php/istithmar/article/view/976. Acesso em: 24 nov. 2024.