Warfandu, Ribka Juliana Angganeta, Roberto Octavianus Cornelis Seba, and Triesanto Romulo Simanjuntak. “Analisis Kebijakan Pemerintah Indonesia Terkait Counterparting Program PT.Freeport Indonesia Pada Operation Maintenance”. Administraus 8, no. 3 (September 30, 2024): 133–149. Accessed August 26, 2025. https://ejournal.stiabinabanuabjm.ac.id/index.php/administraus/article/view/263.