Kadar, M., A. M. Rusdi, A. Hafram, and H. Bakri. “Analisis Proses Pencampuran Bahan Baku Utama Portland Composite Cement”. Mining Science And Technology Journal, Vol. 1, no. 2, Dec. 2022, pp. 77-85, doi:10.54297/minetech-journal.v1i2.352.