RAIHANAFA, Indira; WIJOYO, Tuwuh Adhistyo. PERAN CONCIERGE DALAM MENINGKATKAN KUALITAS PELAYANAN FRONT OFFICE DEPARTMENT PADA RENAISSANCE HOTEL & RESORT OKINAWA. JURNAL ILMIAH EDUNOMIKA, [S. l.], v. 8, n. 2, 2024. DOI: 10.29040/jie.v8i2.12832. Disponível em: https://www.jurnal.stie-aas.ac.id/index.php/jie/article/view/12832. Acesso em: 13 feb. 2026.