Prasetyo, A. B., R. Darmawansyah, W. Mayangsari, E. Febriana, S. Permana, A. Maksum, S. Oediyani, F. Firdiyono, and J. W. Soedarsono. “Reverse Leaching of Magnesium from Ferronickel Slag Using Alkali Solvent NaOH”. Eastern-European Journal of Enterprise Technologies, vol. 1, no. 12 (103), Feb. 2020, pp. 6-14, doi:10.15587/1729-4061.2020.193885.