Hasan, Mohamed Mahmoud, Salah Ahmed Bader, Mahrous Ali Mohamed Ali, Wael Rashad Abdellah, and Gamal Saad Abdelhaffez. 2022. “Linear Programming As a Tool to Design the Mix of Cement Plant Raw Materials”. Rudarsko-geološko-Naftni Zbornik 37 (4):109-17. https://doi.org/10.17794/rgn.2022.4.9.