Sihombing ER. Pengaruh Penyaluran Kredit, Non Performing Loan , Corporate Social Responsibility, Digital Banking terhadap Customer Retention di Bank Sumut KCP Sei Sikambing , Medan. JAPRI [Internet]. 2025May6 [cited 2025May6];7(1). Available from: https://jurnal.unprimdn.ac.id/index.php/JAPRI/article/view/6972