00450nam a22001217a 4500020001600000082001000016100002000026245013000046260003600176300002800212650005500240700003300295  qHard Cover.  a624.1  aHaider, Zeeshan  aStudy of safety training needs for construction workers, supervisors, middle management and top management /cZeeshan Haider.  aIslamabad:bSCEE - NUST,c2013.  a110 p. :bill. ;c30cm.  aConstruction Engineering and Management MS-Thesis.  aDr. Rafiq Muhammad Choudhary