இதைப் பெறுங்கள் : Measuring research and development expenditures in the U.S. economy [electronic resource] : interim report ; Panel on Research and Development Statisstics at the National Science Foundation, Committee on National Statistics, Division of Behavioral and Social Sciences and Education, National Research Council of the National Academies / Lawrence D. Brown, Thomas J. Plewes, and Marisa A. Gerstein, editors.

தலைப்பு : Measuring research and development expenditures in the U.S. economy [electronic resource] : interim report ; Panel on Research and Development Statisstics at the National Science Foundation, Committee on National Statistics, Division of Behavioral and Social Sciences and Education, National Research Council of the National Academies / Lawrence D. Brown, Thomas J. Plewes, and Marisa A. Gerstein, editors.

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