Zarkasyi, Muhammad Ridlo, Dhika Amalia Kuniawan, and Dio Caisar Darma. “The Prospect of ‘Halal Tourism’ Destination: An Strategy for Ponorogo Regency, East Java (Indonesia) ”. ASEAN Journal on Hospitality and Tourism 19, no. 2 (September 8, 2021). Accessed October 14, 2025. https://journals.itb.ac.id/index.php/ajht/article/view/16064.