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Patent citation network analysis for the domain of organic photovoltaic cells: Country, institution, and technology field Choe, Ho-Chull; Lee, Duk-Hee; Seo, Il-Won; Kim, Hee-Dae, RENEWABLE SUSTAINABLE ENERGY REVIEWS, v.26, pp.492 - 505, 2013-10 |
The evolution of cluster network structure and firm growth: a study of industrial software clusters Kim, Hee Dae; Lee, DukHee; Choe, Hochull; Seo, Il-Won, SCIENTOMETRICS, v.99, no.1, pp.77 - 95, 2014-04 |
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