Marzuki Silalahi, Dena Nadya Rahayu, Bambang Sugeng, Ferhat Aziz, and Sulistioso Giat Sukaryo. 2018. “SINTESIS PADUAN Co-Cr MENGGUNAKAN METODE ULTRASONIK”. Jurnal Sains Materi Indonesia 19 (3):131-36. https://doi.org/10.17146/jsmi.2018.19.3.4500.