The Dynamics of Ushul Fiqh in the Formulation of Contemporary Islamic Law: An Analysis of Istihsan, Maslahah Mursalah, ’Urf, and Sadd Al-Zari’ah. TOFEDU 2026, 5 (1), 30-42. https://doi.org/10.61445/tofedu.v5i1.1415.