Narmatov Akhror. “TRANSITION FROM OPEN PIT COAL MINE TO THE UNDERGROUND MINE IN SOFT ROCKS”. EPRA International Journal of Multidisciplinary Research (IJMR) 9, no. 6 (June 8, 2023): 98–103. Accessed May 5, 2024. https://eprajournals.net/index.php/IJMR/article/view/2203.