Ar Rahmah R. ETIKA DAN MANAJEMEN BISNIS ISLAM (STUDI KASuS DI WARONG STEAK AND SHAKE CABANG SM RAJA MEDAN). J-EBIS [Internet]. 2017Aug.25 [cited 2026Apr.21];2(2). Available from: https://dev-journal.iainlangsa.ac.id/index.php/ebis/article/view/183