Study of efficiency of organic activator application to process difficult-to-beneficiate polymetallic ridder ores. - Kenzhaliyev, Bagdaulet; Koizhanova, Aigul; Fischer, Dametken; Magomedov, David; Yerdenova, Mariya; Smailov, Kenzhegali; Abdyldayev, Nurgali (Transition Metal Chemistry, 2025)