Fauzi, M., Azizah, A., & Nurfauziyah, L. (2019). The Concept of Ifta 'in Establishing Halal Law (Study of Usul fiqh on Legal Determination Methods). Journal of Digital Marketing and Halal Industry, 1(1), 83-92. doi:https://doi.org/10.21580/jdmhi.2019.1.1.4776