SOFIYAN, I. F. R.; HELIANTY, Y. Usulan Peningkatan Kualitas Pelayanan pada XYZ Coffee Menggunakan Metode Service Quality dan Importance Performance Analysis. e-Proceeding FTI, [S. l.], v. 1, n. 2, 2023. Disponível em: https://eproceeding.itenas.ac.id/index.php/fti/article/view/1689. Acesso em: 1 feb. 2026.