Comparing the “Modified Split and Fender” and “Shortwall” Methods for the Pillar Recovery in Room and Pillar Coal Mining Using A 3D Finite Difference Modeling in Tabas Central Coal Mine, Iran
Ravish/hā-yi taḥlīlī va ̒adadī dar muhandisī-i ma̒dan/Ravish/hā-yi taḥlīlī va ̒adadī dar muhandisī-i ma̒dan