Determinant of Efficiency in the Indonesian Islamic Banks. Signifikan: Jurnal Ilmu Ekonomi, [S. l.], v. 12, n. 1, p. 161–174, 2023. DOI: 10.15408/sjie.v12i1.30376. Disponível em: https://journal.uinjkt.ac.id/signifikan/article/view/30376. Acesso em: 22 dec. 2025.