ROMAULI NAINGGOLAN. COST EFFICIENCY OF BANKING SECTOR OF INDONESIA: EVIDENCE USING STOCHASTIC FRONTIER ANALYSIS. International Journal of Accounting, Finance and Business, [S. l.], v. 5, n. 30, 2020. Disponível em: https://academicinspired.com/ijafb/article/view/276. Acesso em: 7 oct. 2024.