Gunawan, I., & Marlina Tarigan, T. (2023). Analysis of Seller’s Rights in Determining the Highest Retail Price (Het) of Bulk Cooking Oil from Perspective of Ibnu Taimiyah (Case Study in Sei Sikambing Village C. Ii Medan Helvetia District, Medan). Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE), 6(2), 1156-1172. https://doi.org/10.31538/iijse.v6i2.3457