Purnama H. Efektifitas Manajemen Pelayanan Jamaah Haji dan Umroh PT. Dallas Travel Sukabumi. JMWS [Internet]. 30 November 2022 [dikutip 22 Desember 2024];1(01):57-64. Tersedia pada: https://wnj.westscience-press.com/index.php/jmws/article/view/1173