1.
図書 |
Irving B. Kravis, Alan Heston, Robert Summers, in collaboration with Alicia Civitello ... [et al.]
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2.
図書 |
produced by the Statistical Office of the United Nations, the World Bank, and the International Comparison Unit of the University of Pennsylvania ; Irving B. Kravis ... [et al.] ; with the assistance of Sultan Ahmad ... [et al.]
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