TEJAKUSUMA, T. Y.; WIRABHUANA, A.; BERAKON, I. . Innovation Tourism Information System to Support Post-Covid-19 Health Protocols and Halal Tour in The Special Area of Yogyakarta. Journal of Industrial Engineering and Halal Industries, [S. l.], v. 4, n. 1, 2023. DOI: 10.14421/jiehis.3984. Disponível em: https://ejournal.uin-suka.ac.id/saintek/JIEHIS/article/view/3984. Acesso em: 19 jan. 2025.