Angkupi, Prima, Ivando Holawarno, Desy Ari Safitri, Defrizal Defrizal, and M. Yusuf Sulfarano Barusman. 2024. “Muslim Tourist Loyalty to Halal Tourism in Indonesia”. Proceeding ICEBFG 5 (1):90-95. https://proceedingconference.ubl.ac.id/index.php/icebfg/article/view/99.