Nurbayani N, Muliana M. Islamic Business Ethics Implementation Towards Sustainibility Of The Hajj And Umrah Business Travel Agency Of Makassar City. lamaisyir [Internet]. 2021Mar.14 [cited 2024Sep.19];8(1):13-7. Available from: https://journal3.uin-alauddin.ac.id/index.php/lamaisyir/article/view/17575