Cleyvains Fresly Wulandari, Dita Fadila Artamiye C. S, Rifasya Nurul Ramadanti, Alvianus Kristian Sumual, and Riva Ananda Br Pelawi, Trans., “OPERATIONAL RISK MANAGEMENT IN THE MINING TRANSITION: A CASE STUDY OF PT FREEPORT INDONESIA’S GRASBERG BLOCK CAVE (GBC) IMPLEMENTATION”, J.SIGARUDA, vol. 1, no. 2, pp. 140–145, Dec. 2025, Accessed: Oct. 24, 2026. [Online]. Available: https://ejournal.sociovisionary.com/index.php/garudajournal/article/view/99