Dongoran, Hana Marty, and Aminah Aminah. “Obligations Arising from Contracts and Laws and Their Relationship With Authentic Deeds”. Al-Ishlah: Jurnal Ilmiah Hukum 27, no. 1 (March 20, 2024): 31-43. Accessed November 21, 2024. https://jurnal.fh.umi.ac.id/index.php/ishlah/article/view/v27n1-3.