aditianto, ahmad roif, Samsul Arifin, and Samsul Arifin. “Pengaruh Etika Bisnis Islam Terhadap Kesetiaan Pelanggan Di Koperasi Jaya Abadi Tubanan Kembang Jepara”. Jurnal Ilmiah Ekonomi Islam 10, no. 1 (March 9, 2024): 318–332. Accessed June 27, 2025. https://jurnal.stie-aas.ac.id/index.php/jei/article/view/12643.