VU , T.T., LE , T.D., LE , T.D. i VU , T.T.D. 2021. Development of Support Plan and Operation Scheme for Semimechanized Longwall Face of Coal Seam 10T, Nam Khe Tam Mine – 86 Company, Dong Bac Corporation. Inżynieria Mineralna. 1, 2 (grudz. 2021). DOI:https://doi.org/10.29227/IM-2021-02-29.