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1.
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Oxford : Oxford University Press, 2022
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2.
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Washington, D.C., U.S.A. : World Bank, c1991.
Third edition.
English | A 4(111:113) WOR VOL 1 |
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3.
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Paris : Banque Editeur, [1998]
2ème.
English | B 72 CIC.T(2) |
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4.
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Oxfordshire, United Kingdom : Taylor & Francis Group, 2011.
First edition.
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5.
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Singapore : Butterworths Asia, 2001.
Danish | F 44 NGS.B |
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