Putra, Naufal Thariq Eka, and Elza Qorina Pangestika. “History of Customary Law”. Rechtsnormen: Journal of Law 2, no. 1 (April 3, 2024): 102–111. Accessed August 8, 2026. https://www.journal.ypidathu.or.id/index.php/rjl/article/view/738.