Muhajir, Muhajir, and Muhammad Yusuf. “Perhitungan Tingkat Efisiensi Bank Persero Di Indonesia Periode 2015-2019 Dengan Pendekatan Non Parametrik Data Envelopment Analysis (DEA)”. Al-Kharaj: Journal of Islamic Economic and Business 2, no. 2 (December 3, 2020): 67–80. Accessed July 22, 2024. http://ejournal.iainpalopo.ac.id/index.php/alkharaj/article/view/1568.