00388nam a2200121Ia 450000500170000000800410001702000150005805000180007310000170009124500650010826000340017365000590020720251229085431.0251229s9999    xx            000 0 und d  a0821311883  aHD 4420.8 .N4  aNellis, J.R. 0aContract plans and public enterprise perfomance.cJ.R Nellis  aWashingtonb D.Cc World Bank  aGovernment Business Enterprises- Developing Countries.