Marwadi, Labib, M., & Zain, M. F. (2025). Reforming the Islamic Calendar and Religious Authority: Dynamics of Hijri Calendar Calculation in Indonesia within Persatuan Islam’s Thought. Al-Manahij: Jurnal Kajian Hukum Islam, 19(1), 149–166. https://doi.org/10.24090/mnh.v19i1.10574