CLARENCE, Kevin Cristoval Clarence; DR. ROMAULI NAINGGOLAN. PENGARUH PERSEPSI HARGA, ATMOSFER TEMPAT, DAN VARIASI MENU TERHADAP LOYALITAS PELANGGAN GISOE COFFEE SURABAYA. PERFORMA, [S. l.], v. 9, n. 2, p. 112–126, 2024. DOI: 10.37715/jp.v9i2.3984. Disponível em: https://ojs.somebut.my.id/index.php/performa/article/view/3984. Acesso em: 19 feb. 2026.