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[8]
Do stronger patent rights raise high-tech exports to the developing world?[J] . Olena Ivus.Journal of International Economics . 2009 (1)
[9]
Openness and Technological Innovations in Developing Countries: Evidence from Firm-Level Surveys[J] . Rita Almeida,Ana Margarida Fernandes.Journal of Development Studies . 2008 (5)