GJSFR Volume 21 Issue H3 Obtaining of Nano Gold from Concentrate (Banská Hodruša, Slovakia) Using Algae with Utilization of Mechanochemical Activation jana_ficeriova March 14, 2021 Abstract Share share .face-icon{fill:#fff;} .tw-icon{fill:#fff;} .ln-icon{fill:#fff;} .pn-icon{fill:#fff;}