Sudarman E, Madiistriyatno H, Sudarman I. Investigations of Customer Loyalty: Strengthening Product Quality, Brand Image and Customer Satisfaction. MIX [Internet]. 2021 Feb. 1 [cited 2026 Jun. 4];11(1):78-93. Available from: https://publikasi.mercubuana.ac.id/index.php/Jurnal_Mix/article/view/9566