Siregar, Muhammad, and Fauziah Lubis. 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), 1110-24. https://doi.org/10.31538/iijse.v8i1.6088.