Irman, Argya Permanaputera, and Edi Nurtjahjadi. “Product Quality and Customer Loyalty: The Mediating Role of Customer Satisfaction Among Samsung Smartphone Users in Bandung City”. International Journal of Sustainable Applied Sciences 4, no. 8 (August 29, 2026): 825–834. Accessed September 10, 2026. http://ijsasjournal.my.id/index.php/ijsas/article/view/37.