Rochman, Nurul Taufiqu, and H. Sueyoshi. “Development of Ultra-Carbon Steel Prepared by Mechanical Alloying and Subsequent Hot Pressing”. IPTEK The Journal for Technology and Science 19, no. 1 (June 30, 2025): 7–11. Accessed January 30, 2026. https://journal.its.ac.id/index.php/jts/article/view/5915.