Keywords = Rock Mass Rating (RMR)
| Number of Articles: 1 | ||
| 1 | APPLICATION OF THE ROCK MASS CLASSIFICATION SYSTEMS TO PILLAR DESIGN IN LONGWALL MINING FOR ABU-TARTUR LONGWALL PHOSPHATE MINING CONDITIONS | |
| Volume 41, No 5, September and October 2013, Page 2012-2020 | ||
| M. A. Hussein; A. R. Ibrahim; S.S. Imbaby | ||
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