IMPLEMENTATION OF ISLAMIC BUSINESS ETHICS IN THE HOSPITALITY BUSINESS IN MANDAILING NATAL NORTH SUMATERA. j.mabisya [Internet]. 30 Juni 2024 [dikutip 7 Agustus 2026];5(1):16-24. Tersedia pada: https://jurnal.stain-madina.ac.id/index.php/j-mabisya/article/view/1894