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2International comparisons of real product and purchasing power. United Nations International Comparison Project: phase II International comparisons of real product and purchasing power. United Nations International Comparison Project: phase IIby Kravis, I.B. 1423211773792, International Bank for Reconstruction and Development, Washington, D.C. (USA) eng, Heston, A. 1423211773793, Summers, R. 1423211773794, United Nations, New York, N.Y. (USA). Statistical Office eng
Published 1978Texto bibliotecaFAO IT