Siregar, Togar, and Martin Roestamy. “CRITICAL REVIEW OF THE PIK-2 ‘TROPICAL CONCEPT’ DEVELOPMENT PROJECT AS A NATIONAL STRATEGY (PSN) PROJECT AND ITS CORRELATION WITH THE STATE’S LAND CONTROL RIGHTS”. DE’RECHTSSTAAT (July 22, 2024): 39–51. Accessed June 22, 2026. http://103.127.96.46/index.php/LAW/article/view/14602.