PRIBADI, R. S. Evaluation of Indonesian Hajj Services: Unraveling the Problems of Overcrowding, Transportation, and Data Inconsistency in the Implementation of the Hajj Pilgrimage. JURNAL ILMIAH GEMA PERENCANA, [S. l.], v. 4, n. 2, p. 1873–1894, 2025. DOI: 10.61860/jigp.v4i2.290. Disponível em: https://gemaperencana.id/index.php/JIGP/article/view/290. Acesso em: 5 feb. 2026.