“Implementasi Etika Bisnis Islam Pada Karyawan Di Travel Umroh & Haji PT. Permata Zain Al Miftah Surabaya”. Jurnal Intelek Dan Cendikiawan Nusantara 2, no. 3 (June 6, 2025): 1559–1565. Accessed July 25, 2026. https://jicnusantara.com/index.php/jicn/article/view/3631.