Alfons, Maria. “Kepastian Hukum Perolehan Hak Atas Kekayaan Intelektual”. JATISWARA 31, no. 2 (October 13, 2017): 303–317. Accessed May 3, 2024. http://jatiswara.unram.ac.id/index.php/js/article/view/51.