Nurbayani, N. and Muliana, M. 2021. Islamic Business Ethics Implementation Towards Sustainibility Of The Hajj And Umrah Business Travel Agency Of Makassar City. LAA MAISYIR : Jurnal Ekonomi Islam. 8, 1 (Mar. 2021), 13-27. DOI:https://doi.org/10.24252/lamaisyir.v8i1.17575.