Moh. Affan et al. 2021. Peran Tour Leader Dalam Memimpin Rombongan Jama’ah Ibadah Umrah PT. Nur Haramain Mulia. HARAMAIN: Jurnal Manajemen Bisnis. 1, 03 (Sep. 2021), 127–138. DOI:https://doi.org/10.66931/jmb-105.