Metallurgical companies’ environmental liabilities: a study of disclosure in reportingBibigul Amanzholova, Tatyana Zhukova, Natalia Ovchinnikova, Natalia Fribus and Viktoria KarakchievaE3S Web Conf., 296 (2021) 06015DOI: https://doi.org/10.1051/e3sconf/202129606015