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1.
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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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2.
|
Upper Saddle River, N.J. : Wharton School Pub., c2010.
English | T 3 ALL.F |
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3.
|
Paris : Presses Pocket, [1988]
nouvelle edition.
French | B 381 MAR.D |
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4.
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Paris : Lexus Ltd, 1993.
English | A 41 STR.L |
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5.
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London : Routledge, 1996.
English |
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