Bekbergenov D, Jangulova G, Kassymkanova K-K, Bektur B. Mine technical system with repeated geotechnology within new frames of sustainable development of underground mining of caved deposits of the Zhezkazgan field. GAC [Internet]. 2020Dec.30 [cited 2024Nov.22];46(4):182-7. Available from: https://btp.vgtu.lt/index.php/GAC/article/view/10571