Farizka Siregar, Nurul, and Mustapa Khamal Rokan. “STRATEGI SERVICE EXELLLENT PADA PENDANAAN SYARIAH DI BANK SUMUT KANTOR CABANG PEMBANTU SYARIAH STABAT”. PRAJA observer: Jurnal Penelitian Administrasi Publik (e- ISSN: 2797-0469) 1, no. 04 (November 16, 2021): 96–108. Accessed May 12, 2025. https://aksiologi.org/index.php/praja/article/view/343.