MUGIANTO, Mauludia; STARFREZAR, Burhan. Peranan Front Office dan Admin Operasional dalam Menunjang Kualitas Pelayanan Jamaah di Tengah Kenaikan Fuel Surcharge Umrah. RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 5, n. 2, p. 10081–10089, 2026. DOI: 10.31004/riggs.v5i2.10159. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/10159. Acesso em: 27 aug. 2026.