Pengaruh Kualitas Layanan, Kualitas Produk, dan Brand Ambasador Terhadap Brand Image Kopi Janji Jiwa Jl. Basuki Rahmat Surabaya. POINT: Jurnal Ekonomi dan Manajemen, [S. l.], v. 5, n. 1, p. 81–96, 2023. DOI: 10.46918/point.v5i1.1665. Disponível em: https://ejournals.umma.ac.id/index.php/point/article/view/1665. Acesso em: 9 oct. 2025.