Lutfiah Izmi Maulani and Sunarta (2025) “The Influence of Product Quality and Brand Image on Customer Loyalty Of Xl-Axiata Users”, Journal of Marketing Management Research (JMMR), 1(1), pp. 10–18. Available at: https://journal.uny.ac.id/publications/jmmr/article/view/949 (Accessed: 4 July 2025).