Mohammad Lukman Chakim and Irzak Yuliardy Nugroho 2026. Islamic legal authority in the Indonesian legal system: a historical-normative analysis from the fiqh siyasah perspective. Asy-Syari’ah : Jurnal Hukum Islam. 12, 1 (Mar. 2026), 72–84. DOI:https://doi.org/10.55210/assyariah.v12i1.2412.