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The global entrepreneurship index 2016. The Global Entrepreneurship and Development Institute. https://thegedi.org/global-entrepreneurship-and-development-index/ . 2016
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Science and engineering indicators 2016. National Science Board. . 2016
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Fact sheet:President obama to host first-ever white house maker faire[EB]. The White House. http://www.whitehouse.gov/the-press-office/2014/06/18/fact-sheet-president-obama-host-first-ever-white-house-maker-faire . 2016
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Regional innovation clusters begin to add up. MURO Mark. . 2013
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Best global universities rankings. http://www.usnews.com/education/best—global—universities/rankings . 2015
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Fact sheet:The white house and small business administration launch startup in a day initiative and prize competition[EB]. The White House. https://www.whitehouse.gov/thepress-office/2015/06/11/fact-sheet-white-house-and-small-business-administration-launch-startup . 2015