00380nam a22001217a 4500020001600000082001100016100002600027245008200053260003600135300002800171650004000199700001900239  qHard Cover.  a624.15  aMuhammad Abubkr Jamil  aComparative Analysis of ROCK Classification Systems /cMuhammad Abubkr Jamil.  aIslamabad:bSCEE - NUST,c2018.  a149 p. :bill. ;c35cm.  aGeotechnical Engineering MS-Thesis.  aDr. Liaqat Ali