A. A. Rabiu, A. M. Surur, P. Rais, M. D. Setiawan, M. Z. An-Naufal, and S. Arifin, “ Calculating Distributive Justice: Reconstruction of Fidyah Calculation Based on Rice Price Index (IHPR) in the Perspective of Contemporary Fiqh and Humanist Economics”, Int. J. Islam. Thought. Humanit., vol. 5, no. 2, pp. 386–405, Oct. 2026.