Haojie, Tian, Feng Youli, Wang Peiyang, and Wang Chifeng. “Status Quo and Countermeasures of Groundwater Utilization in Pingdingshan Coal Mine”. Engineering And Technology Journal 3, no. 01 (January 12, 2018): 357–360. Accessed November 23, 2024. https://everant.org/index.php/etj/article/view/52.