Helmi, Julian, Nazaruddin Nazaruddin, Harmein Nasution, and Juliza Hidayati. “Penerapan Balanced Scorecard Untuk Meningkatkan Kinerja Perbankan Syariah Sumatera Utara”. Operations Excellence: Journal of Applied Industrial Engineering 13, no. 2 (July 31, 2021): 255–266. Accessed July 23, 2026. https://publikasi.mercubuana.ac.id/index.php/oe/article/view/12209.