AMINI, A.; ROSYIDI, S. THE IMPLEMENTATION OF ISLAMIC BUSINESS ETHICS IN THE UMRAH AND HAJJ TRAVEL COMPANY OF MUBINA TOUR INDONESIA GRESIK REGENCY. Jurnal Ekonomi Syariah Teori dan Terapan, [S. l.], v. 7, n. 12, p. 2419–2435, 2020. DOI: 10.20473/vol7iss202012pp2419-2435. Disponível em: https://e-journal.unair.ac.id/JESTT/article/view/23692. Acesso em: 15 jan. 2025.