Liyushiana (2024) “Sustainable Development Strategy for Disaster Tourism: Lesson from North Sumatra, Indonesia”, Indonesian Annual Conference Series, (Proceedings of IACS-IHCRGESND, Nigeria), pp. 1–14. Available at: https://ojs.literacyinstitute.org/index.php/iacseries/article/view/1610 (Accessed: 12 June 2026).