Nurbayani, Nurbayani, and Muliana Muliana. “Islamic Business Ethics Implementation Towards Sustainibility Of The Hajj And Umrah Business Travel Agency Of Makassar City”. LAA MAISYIR : Jurnal Ekonomi Islam 8, no. 1 (March 14, 2021): 13-27. Accessed November 21, 2024. https://journal3.uin-alauddin.ac.id/index.php/lamaisyir/article/view/17575.