“PERBAIKAN METODE DEGENERASI MORFOLOGI GRAFIT BULAT FCD 400 MENGGUNAKAN LADEL SANDWICH ”, J.FO, vol. 5, no. 2, pp. 12–22, May 2022, Accessed: Jul. 01, 2026. [Online]. Available: https://e-journal.polmanceper.ac.id/index.php/foundry/article/view/42