Zhang, Meng, Yidong Zhang, Ming Ji, Zhaohong Chen, and Shuai Zhu. “A Successful Case Study on the Reuse of Gob Side Entry Retaining by Non-Coal Pillar Mining in Gaohe Mine”. Journal of Mines, Metals and Fuels 67, no. 2 (October 20, 2022): 41–50. Accessed May 11, 2024. https://www.informaticsjournals.com/index.php/jmmf/article/view/31462.