Mulyatiningsih M, Herianingrum S. THE POTENTIAL OF HALAL TOURISM IN AL-AKBAR NATIONAL MOSQUE SURABAYA. JESTT [Internet]. 2020 Jul. 14 [cited 2024 Sep. 15];7(7):1205-13. Available from: https://e-journal.unair.ac.id/JESTT/article/view/15214