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 September 7, 2025. https://ypidathu.or.id/journal/index.php/rjl/article/view/738.