“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: Journal of Digitalization Process in Islamic Business, vol. 1, no. 1, Dec. 2025, pp. 1-15, https://www.journal.lpkebis.or.id/index.php/ecommerce/article/view/14.