00334nam a22000977a 450000500170000008200210001710000400003824501050007826000450018330000080022820251219155609.0  a338.95476 BAM.N0  aBamberger, Michael; Cheema, Shabhir  aCase studies of project sustainability: Implications for policy and operations from Asian experience  aWashington D.C :bThe World Bank;c1990.  a111