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1द्वारा Gibbs, Christopher J. N.“…World Bank. Operations Evaluation Department…”
प्रकाशित 1999At head of title: World Bank Operations Evaluation Department.
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2प्रकाशित 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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3द्वारा Robinson, Roger J., 1948-“…World Bank. Operations Evaluation Department…”
प्रकाशित 1999At head of title: World Bank Operations Evaluation Department.
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4प्रकाशित 2005“…World Bank. Operations Evaluation Department…”
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