Lutfiah Izmi Maulani, and Sunarta. “The Influence of Product Quality and Brand Image on Customer Loyalty Of Xl-Axiata Users”. Journal of Marketing Management Research (JMMR) 1, no. 1 (May 27, 2025): 10–18. Accessed July 5, 2025. https://journal.uny.ac.id/publications/jmmr/article/view/949.