Purnomo, Vicki Dwi, Bambang Joyo Supeno, and Edy Lisdiyono. “The Role of Customary Law in the Development of National Law in the Modern Era”. Formosa Journal of Sustainable Research 3, no. 10 (October 28, 2024): 2143–2154. Accessed April 27, 2026. https://journal.formosapublisher.org/index.php/fjsr/article/view/11945.