By Kohli Ulrich   in Journal of Productivity Analysis

ISSN:0895-562X|21|3|337-353

Springer Publishing Company ‎(2004)‎

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By Kohli Ulrich   in Journal of International Trade & Economic Development

ISSN:1469-9559|10|1|39-63

Routledge Ltd‎(2001)‎

Access to resources Favorite 17.391567