The Meaning of Customer Loyalty in the Era of Digital Marketing: An Analysis of ByZhanum’s Strategy through the CRM–AISAS Model from the Perspective of Islamic Business Ethics. E-Commerce [Internet]. 2025 Dec. 25 [cited 2026 May 13];1(1):1-15. Available from: https://www.journal.lpkebis.or.id/index.php/ecommerce/article/view/14