Dr. Kostin, has over 30 years of mining geological experience, since 1980 to 2022 he worked at the Diamond and Precious Metal Geology Institute, Siberian Branch, Russian Academy of Sciences, Yakutsk, Russia; where … Читать далее Поздравляем Костина Алексея Валентиновича с назначением в Совет Директоров Компании Silver Bear Resources Plc.