KUSUMA, A. C.; ASTUTI, S. Electronic Customer Relationship Management Berbasis Fuzzy Service Quality Untuk Peningkatan Pelayanan Pasien. CogITo Smart Journal, [S. l.], v. 3, n. 1, p. 123–131, 2017. DOI: 10.31154/cogito.v3i1.51.123-131. Disponível em: https://cogito.unklab.ac.id/index.php/cogito/article/view/51. Acesso em: 12 aug. 2025.