EFISIENSI BANK PEMBANGUNAN DAERAH: PENDEKATAN STOCHASTIC FRONTIER. Signifikan: Jurnal Ilmu Ekonomi, [S. l.], v. 4, n. 1, 2015. DOI: 10.15408/sjie.v4i1.2291. Disponível em: https://journal.uinjkt.ac.id/index.php/signifikan/article/view/2291. Acesso em: 20 jun. 2026.