Optimising Hajj Service Management in the Office of the Ministry of Religious Affairs of Kotamobagu City. West Science Islamic Studies, [S. l.], v. 2, n. 02, p. 121–128, 2024. DOI: 10.58812/wsiss.v2i02.840. Disponível em: https://wsj.westsciences.com/index.php/wsiss/article/view/840. Acesso em: 15 apr. 2025.