MAYALMA, B. Usulan Perbaikan Kualitas Pelayanan Menggunakan Metode Service Quality (Servqual) Dan Fishbone Diagram Pada Toserba Yogya Ciumbuleuit. SENTRI: Jurnal Riset Ilmiah, [S. l.], v. 5, n. 7, p. 3867–3876, 2026. DOI: 10.55681/sentri.v5i7.7151. Disponível em: https://ejournal.nusantaraglobal.ac.id/index.php/sentri/article/view/7151. Acesso em: 23 aug. 2026.