Clarence, Kevin Cristoval Clarence, and Dr. Romauli Nainggolan. “PENGARUH PERSEPSI HARGA, ATMOSFER TEMPAT, DAN VARIASI MENU TERHADAP LOYALITAS PELANGGAN GISOE COFFEE SURABAYA”. PERFORMA 9, no. 2 (August 31, 2024): 112–126. Accessed February 19, 2026. https://ojs.somebut.my.id/index.php/performa/article/view/3984.