Baslayici, S. et al. 2021. HYDROMETALLURGICAL NICKEL AND COBALT PRODUCTION FROM LATERITIC ORES: OPTIMIZATION AND COMPARISON OF ATMOSPHERIC PRESSURE LEACHING AND PUG-ROAST-LEACHING PROCESSES: HYDROMETALLURGICAL NICKEL AND COBALT PRODUCTION. Acta Metallurgica Slovaca. 27, 1 (Feb. 2021), 17–22. DOI:https://doi.org/10.36547/ams.27.1.740.