Efficiency and Performance of Islamic Bank: Quadrant Analysis Approach. International Journal of Islamic Business and Economics (IJIBEC), [S. l.], v. 2, n. 1, 2018. DOI: 10.28918/ijibec.v2i1.1251. Disponível em: https://e-journal.uingusdur.ac.id/Ijibec/article/view/2028. Acesso em: 19 jul. 2026.