00339nas a2200145   4500000000100000000000100001008004100002100001500043700001400058700002600072700001100098700001700109245005800126490000900184       2019                            d1 aNuman Khan1 aAhmad Ali1 aMirosław Skibniewski1 aDo Lee1 aChansik Park00aExcavation Safety Modeling Approach Using BIM and VPL0 v2019