Hasan, M.M., Bader, S.A., Ali, M.A.M., Abdellah, W.R. and Abdelhaffez, G.S. 2022. Linear programming as a tool to design the mix of cement plant raw materials. Rudarsko-geološko-naftni zbornik. 37, 4 (Aug. 2022), 109–117. DOI:https://doi.org/10.17794/rgn.2022.4.9.