Management of the investment activities of the mining industry Liliia Filipishyna, Natalia Mihai, Ihor Tarasov, Mykola Andriienko and I Wayan Edi Arsawan E3S Web Conf., 201 (2020) 01015 Published online: 23 October 2020 DOI: 10.1051/e3sconf/202020101015