Mayangsari, W.; Prasetyo, A. B.; Febriana, E.; Irawan, J.; Subagja, R.; Firdiyono, F.; Soedarsono, J. W. The Effect of Roasting Prior to The Leaching Process of Alkalinized Ferronickel Slag Followed by Precipitation Process. Metalurgi 2021, 36, 43-50.