Zhao, H., Y. Liu, and Q. Zheng. “Research on a New Application Mode of Semicontinuous Comprehensive Mining Technology for Large Opencast Coal Mines”. Journal of Mines, Metals and Fuels, vol. 64, no. 12, Oct. 2022, pp. 653-8, https://informaticsjournals.com/index.php/jmmf/article/view/31630.