Abd Rahim, S., & Timur, Y. P. (2024). UNDERSTANDING THE EFFICIENCY OF SUKUK INDICES: THE ROLE OF THE GARCH-IN-MEAN MODEL IN DIFFERENT SUKUK RATINGS. Labuan E-Journal of Muamalat and Society (LJMS), 18(2), 23–37. https://doi.org/10.51200/ljms.v18i2.4312