Septriana, Ayu, Azhar, and Widi Astuti. “Daur Ulang Refraktori Bekas Kiln Dan Fly Ash Batubara Dengan Variasi Tekanan Greenbody [Recycling of Used Refractory of Kiln and Coal Fly Ash by Various of Greenbody Presure]”. Jurnal Metalurgi 32, no. 3 (December 1, 2017): 97–104. Accessed March 17, 2026. https://ejournal.brin.go.id/metalurgi/article/view/6602.