PERBEDAAN EFISIENSI BANK UMUM KONVENSIONAL : PENDEKATAN DATA ENVELOPMENT ANALYSIS . EKOBISMAN : JURNAL EKONOMI BISNIS MANAJEMEN, [S. l.], v. 2, n. 3, p. 240–261, 2018. Disponível em: https://journal.univpancasila.ac.id/index.php/ekobisman/article/view/1204. Acesso em: 28 sep. 2026.