Subagiyo, Rokhmat, Burhan Djamaluddin, and Muhamad Ahsan. “Comparative Analysis of Customer Loyalty in Islamic and Conventional Banks: A Literature Review”. al-Uqud : Journal of Islamic Economics 5, no. 1 (December 30, 2020): 97–118. Accessed April 27, 2024. https://journal.unesa.ac.id/index.php/jie/article/view/10364.