S. Pintowantoro, M. I. P. Hidayat, F. Abdul, M. R. Febrianto, and H. Syaifullah, “The Study of the Distribution and Deformation of Burden Layer in 250 Ton/Day Mini Blast Furnace Using Discrete Element Method”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 9, no. 4, pp. 1269–1274, Aug. 2019.