Rahadian D, Anisah Firli, Adiwijaya. Navigating the Pilgrimage: An Open Innovation Approach to Digitalizing Hajj Services in Indonesia. DBEJ [Internet]. 2026 Jun. 30 [cited 2026 Jul. 28];1(1):7-15. Available from: https://journals.telkomuniversity.ac.id/dbej/article/view/11377