Widigdo, M. S. A., and H. Hamid. “The Power of Fatwā in Indonesia: An Analysis of MUI’s Controversial Fatwās”. Afkaruna: Indonesian Interdisciplinary Journal of Islamic Studies, vol. 14, no. 2, Dec. 2018, pp. 146-65, doi:10.18196/AIIJIS.2018.0085.146-165.