Erin Nur Putriani, Robiatul Adawiyah. Marketing Strategy Of Umrah Pilgrimage Travel Organizer (PPIU) PT. Nur Haramain Mulia Towards Competitive Advantage. HARAMAIN : Jurnal Manajemen Bisnis [Internet]. 2025 Jan. 10 [cited 2026 Sep. 7];5(01):01-9. Available from: https://e-journal.ibama.ac.id/index.php/jmb/article/view/166