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1.
|
[Place of publication not identified] : [publisher not identified], 1957.
English | C 384 UN.A |
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2.
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Washington,d.c. : The World Bank, 1991.
Third printing.
English | A 4(111:133) WOR VOL 2 |
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3.
|
[Place of publication not identified] : [publisher not identified], 1948.
English | C 384 UN.PR |
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4.
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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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