06 2019 SIXTH INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE "SUBSOIL USE IN UKRAINE. PROSPECTS FOR INVESTMENT"
4 2019 INTERNATIONAL TRADE FAIR FOR CONSTRUCTION MACHINERY, BUILDING MATERIAL MACHINES, CONSTRUCTION VEHICLES, EQUIPMENT AND MINING MACHINES
10 2018 FIFTH INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE "SUBSOIL USE IN UKRAINE. PROSPECTS FOR INVESTMENT"
