Rahman, Fadhlur, Nadila Nadila, Rina Anggraini, and Achmad Zulfikar Siregar. 2022. “Competition Ethics in Business According to Islamic Views”. MAR-Ekonomi: Jurnal Manajemen, Akuntansi Dan Rumpun Ilmu Ekonomi 1 (01):19-24. https://jurnal.seaninstitute.or.id/index.php/marekonomi/article/view/180.