Hartu hau. : Principles and practices for a federal statistical agency [electronic resource] / Margaret E. Martin, Miron L. Straf, and Constance F. Citro, editors ; Committee on National Statistics, Commission on Behavioral and Social Sciences and Education, National Research Council.

Izenburua : Principles and practices for a federal statistical agency [electronic resource] / Margaret E. Martin, Miron L. Straf, and Constance F. Citro, editors ; Committee on National Statistics, Commission on Behavioral and Social Sciences and Education, National Research Council.

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