Yujun, Miao, Shi Shuyuan, Li qi, and Liu Weixin. “Brand Management and Core Competitiveness Enhancement of Mining Companies”. Journal of Mines, Metals and Fuels 66, no. 9 (October 23, 2022): 724–727. Accessed May 9, 2024. http://informaticsjournals.com/index.php/jmmf/article/view/31790.