Yudithia, Yudithia, Ilham Sentosa, and Eiad Yafi. “Hexahelix Collaboration in Developing Halal Tourism in Indonesia”. Indonesian Tourism Journal 1, no. 1 (May 31, 2024): 01–15. Accessed July 4, 2024. https://journal.austrodemika.org/index.php/itj/article/view/13.