Madjid SS, Hasanuddin H, Nurwahidin P, Masuwd M. Integration of Sharia Legal Principles into National Commercial Law System: A Comparative Study between Fiqh Books and Indonesian Civil Code. Iustum [Internet]. 2026 Feb. 20 [cited 2026 Feb. 20];33(1):1-15. Available from: https://journal.uii.ac.id/IUSTUM/article/view/40449