Millatina Wahdini, Silmi. “Strategic Planning Model for Halal Tourism: Gravity Adventure Pangalengan Case Study: English”. International Journal of Emerging Issues in Islamic Studies 5, no. 2 (December 31, 2025): 15–29. Accessed January 1, 2026. https://journals.researchsynergypress.com/index.php/ijeiis/article/view/3446.