PERBAIKAN METODE DEGENERASI MORFOLOGI GRAFIT BULAT FCD 400 MENGGUNAKAN LADEL SANDWICH . J.FO [Internet]. 2022 May 28 [cited 2026 Aug. 18];5(2):12-2. Available from: https://e-journal.polmanceper.ac.id/index.php/foundry/article/view/42