00381nam a2200181Ia 4500008004100000082001200041082000800053100001700061245003700078260001700115260000900132300000800141365000800149365001100157365000600168365000800174650001700182181031s9999    xx            000 0 und d  a721.068  bGRO  aAshok Grover  aPrinciples of Building Contracts  bAshok Grover  c2014  a154  b350  cRupees  d0  e350  aConstruction