DYANA KARLINA; KHAIRIAH ELWARDAH; EVAN STIAWAN. Implementation Oof Tour Leader Operational Service System to Enhance Umrah Pilgrim Service Quality: A Case Study at PT. Wafdullah Tamu Mulia, Bengkulu Branch. Jurnal Masharif Al-Syariah: Jurnal Ekonomi dan Perbankan Syariah, [S. l.], v. 11, n. 2, 2026. DOI: 10.30651/jms.v11i3.31507. Disponível em: https://journal.um-surabaya.ac.id/Mas/article/view/31507. Acesso em: 7 nov. 2026.