Azhari, Muhammad. “DAMPAK PENERAPAN PRINSIP SYARIAH TERHADAP LOYALITAS KONSUMEN PADA KOPERASI ROHMATUL UMMAH”. Jurnal Bisnis, Manajemen & Ekonomi 23, no. 2 (December 30, 2025): 62–72. Accessed June 7, 2026. https://journal.widyatama.ac.id/index.php/jbme/article/view/3254.