Daipon, D., Hasibuan, P., Ritonga, Z., Zulkifli, Z. and Muhammad, F.A. 2026. Transformation of Islamic Criminal Law in the National Legal System: A Comparative Study of Narcotics Crime Regulation Reform Models in Indonesia, Malaysia and Sudan. Indonesian Journal of Islamic Jurisprudence, Economic and Legal Theory. 4, 2 (May 2026), 1269–1277. DOI:https://doi.org/10.62976/ijijel.v4i2.1803.