D. Daipon, P. Hasibuan, Z. Ritonga, Z. Zulkifli, and F. A. Muhammad, “Transformation of Islamic Criminal Law in the National Legal System: A Comparative Study of Narcotics Crime Regulation Reform Models in Indonesia, Malaysia and Sudan”, IJIJEL, vol. 4, no. 2, pp. 1269–1277, May 2026.