Hydrometallurgical processing of pyrite concentrates from Yoshlik depositsI.K. Umarova, S.I. Amindjanova, G.K. Salidjanova, J.B. Bekpulatov and Kh.Yu. DjumaevaE3S Web of Conf., 389 (2023) 01079DOI: https://doi.org/10.1051/e3sconf/202338901079