Armanto R, Rasjid A, Gunarto M. Building Banking Customer Loyalty: The Roles of Product Quality, Customer Service, Operational Excellence, and Work Environment. JNMPSDM [Internet]. 2026Jun.30 [cited 2026Oct.9];7(2):234 - 13. Available from: https://journal.jis-institute.org/index.php/jnmpsdm/article/view/3532