Impact of coal mining on heavy metal content in soil and vegetation using XRF analysisNadezhda Cash-ool, Urana Ondar, Elena Kashkak, Anay-Kara Lopsan-Endan and Aldynai KhovalygBIO Web Conf., 194 (2025) 01081DOI: https://doi.org/10.1051/bioconf/202519401081