Moustafa, Ahmed, Nagui Abdel-Khalek, Ahmed Sharaf-Eldin, Abdelmonem Soltan, and El-Sayed Hassan. “Beneficiation of Ferruginous Manganese Ore of Um Bogma Locality, Sinai: Comparison Between Conventional Reduction Roasting Techniques and Microwave Technology”. Rudarsko-geološko-naftni zbornik 39, no. 5 (November 25, 2024): 89–100. Accessed November 25, 2024. https://hrcak.srce.hr/ojs/index.php/rgn/article/view/30134.