AUTHOR=Ma Jie , Jiang Yue , Shen Zhijie , Zhang Biaowei , Zhao Hongjing , Yang Xiaoxia , Feng Xue , Sun Dongyue TITLE=A perspective on heavy metal(loid)s traceability in soil surrounding coal gangue areas: combined application of multiple source analysis methods JOURNAL=Frontiers in Environmental Science VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2025.1582799 DOI=10.3389/fenvs.2025.1582799 ISSN=2296-665X