Litaay, A., and I. Ekaputra. “Karakteristik Lelah Besi Cor Kelabu Terhadap Hasil Penambahan Silisium Melalui Metode Open Ladle”. Prosiding Seminar Nasional Sains Teknologi Dan Inovasi Indonesia (SENASTINDO), Vol. 1, Mar. 2021, pp. 89-94, https://aau.e-journal.id/senastindo/article/view/59.