Faturohman, Taufik ., et al. “DATA ENVELOPMENT ANALYSIS (DEA) EFFICIENCY OF ISLAMIC BANKS IN ASEAN: A CROSS-COUNTRY COMPARATIVE EXAMINATION OF INTERMEDIATION AND PRODUCTION EFFICIENCY APROACH”. JMBI UNSRAT (Jurnal Ilmiah Manajemen Bisnis Dan Inovasi Universitas Sam Ratulangi)., vol. 6, no. 3, Jan. 2020, doi:10.35794/jmbi.v6i3.26680.