Herlina H, Anggraini T, Nasution MSA. The Effect of Enduring Service Intensifiers, Perceived Service Alternatives, and Self-Perceived Roles on the Level of Customer Satisfaction Using the Importance Performance Analysis Method (Case Study of Bank Sumut Syariah KC. Medan). IIJSE [Internet]. 1Oct.2025 [cited 24Jun.2026];8(3):11382-96. Available from: https://e-journal.uac.ac.id/index.php/iijse/article/view/8769