Siregar, M., & Lubis, F. (2024). Legal Monopolistic Practices as Unfair Business Competition in the Sales of Packaged Cooking Oils in Indonesia Maqashid Sharia Perspective (Study Decision No.15/Kppu-I/2022). Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE), 8(1), 1110-1124. https://doi.org/10.31538/iijse.v8i1.6088