Hefni, Wildani, Qurrotul Uyun, and Umar Chamdan. 2026. “Bureaucratizing Ḥisāb-Ru’ya: Polycentric Islamic Legal Authority in Determining Ramaḍān in Indonesia”. Al-Ahkam 36 (2):367-98. https://doi.org/10.21580/ahkam.2026.36.2.31729.