Indra, Indra, Mukhtasar, and Abdul Jamal. “Investment Instruments in the Islamic Financial System: Strengthening Islamic Fiscal Policy”. AT-TIJARAH: Jurnal Penelitian Keuangan dan Perbankan Syariah 8, no. 1 (June 30, 2026): 1–21. Accessed October 28, 2026. https://journal.uinsuna.ac.id/index.php/at-tijarah/article/view/7794.