Isman Ahadi Lebu Raya, and Ahmad Fauzi Tidjani. 2024. “Halal Business Activity Efforts by Applying the Principle of Muamalah in Islamic Economic Transactions”. Values: Jurnal Kajian Islam Multidisiplin 1 (3):140-47. https://doi.org/10.61166/values.v1i3.17.