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Measuring the productivity of national R&D systems: challenges in cross-national comparisons of R&D input and publication output indicators
Aksnes, D.W.; Sivertsen, G.; Leeuwen, T.N. van; Wendt, K.K. 2017
Measuring the productivity of national R&D systems: challenges in cross-national comparisons of R&D input and publication output indicators
Article / Letter to editor
open access
Measuring the productivity of national R&D systems: challenges in cross-national comparisons of R&D input and publication output indicators
Aksnes, D.W.; Sivertsen, G.; Van Leeuwen, T.N.; Wendt, K.K. 2017
Measuring the productivity of national R&D systems: challenges in cross-national comparisons of R&D input and publication output indicators
Article / Letter to editor
open access
Measuring the productivity of national R&D systems: challenges in cross-national comparisons of R&D input and publication output indicators
Aksnes, D.W.; Sivertsen, G.; Van Leeuwen, T.N.; Wendt, K.K. 2017
Measuring the productivity of national R&D systems: challenges in cross-national comparisons of R&D input and publication output indicators
Article / Letter to editor
open access
Measuring the productivity of national R&D systems: challenges in cross-national comparisons of R&D input and publication output indicators
Aksnes, D.W.; Sivertsen, G.; Van Leeuwen, T.N.; Wendt, K.K. 2017
Measuring the productivity of national R&D systems: challenges in cross-national comparisons of R&D input and publication output indicators
Article / Letter to editor
open access