Herliyani, Sinta, and Muhammad Ebuziyya Alif Ramadhan. “The Influence of Product Quality and Service Quality on Customer Loyalty to PT Indosat Ooredoo Products”. Journal of Advanced Research in Economics and Administrative Sciences 6, no. 3 (August 4, 2025): 26-35. Accessed April 17, 2026. https://mail.bcsdjournals.com/index.php/jareas/article/view/965.