Kristi Indriyani, Ewhidar Ewhidar, and Shirley Wijaya. “Financial Performance of Nickel Companies Before and After The Nickel Ore Export Ban Regulation”. Proceeding of the International Conference on Economics, Accounting, and Taxation 1, no. 2 (December 30, 2024): 16–27. Accessed January 18, 2025. https://prosiding.areai.or.id/index.php/ICEAT/article/view/52.