It’s important to note that the financial regulatory landscape may have changed after my last update, so I recommend checking with up-to-date sources for the latest information on the regulatory authorities overseeing Islamic banks in Indonesia.1
References
1Ibrahim E, Akbar W, Mujiburohman M, Rahima D. Mudharabah Contract as Economic Strengthening in Indonesia (Literature Study on Islamic Financial Institutions and Community Economic Activities). Jurnal Al-Qardh. 8(1):52-63. doi:10.23971/jaq.v8i1.6654