Experimental study on roof fracture and gangue filling in pitching oblique mining area of steeply dipping medium thick coal seam

Experimental study on roof fracture and gangue filling in pitching oblique mining area of steeply dipping medium thick coal seam Journal of Mining and Safety Engineering . 2023, (3): 534 -542 . DOI: 10.13545/j.cnki.jmse.2022.0119