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1af Gibbs, Christopher J. N.“...World Bank. Operations Evaluation Department...”
Udgivet 1999At head of title: World Bank Operations Evaluation Department.
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2Udgivet 1998“...World Bank. Operations Evaluation Department...”At head of title: World Bank Operations Evaluation Department, OED.
"ISSN 1011-6984"--Verso t.p.
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3af Robinson, Roger J., 1948-“...World Bank. Operations Evaluation Department...”
Udgivet 1999At head of title: World Bank Operations Evaluation Department.
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4Udgivet 2005“...World Bank. Operations Evaluation Department...”
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