Tejakusuma TY, Wirabhuana A, Berakon I. Innovation Tourism Information System to Support Post-Covid-19 Health Protocols and Halal Tour in The Special Area of Yogyakarta. JIEHIS [Internet]. 2023 Aug. 11 [cited 2025 Jan. 19];4(1). Available from: https://ejournal.uin-suka.ac.id/saintek/JIEHIS/article/view/3984