Lyashenko, V., Khomenko, O., Golik, V., Topolnij, F. and Helevera, O. 2020. Substantiation of environmental and resource-saving technologies for void filling under underground ore mining. Technology audit and production reserves. 2, 3(52) (Mar. 2020), 9–16. DOI:https://doi.org/10.15587/2312-8372.2020.200022.