Sufian, Fadzlan, and Muzafar Shah Habibullah. 2010. “FINANCIAL CRISIS, IMF, AND BANK EFFICIENCY: EMPIRICAL EVIDENCE FROM THE ASEAN-4 BANKING SECTORS”. Buletin Ekonomi Moneter Dan Perbankan 12 (2), 133-59. https://doi.org/10.21098/bemp.v12i2.353.