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'Green chasm' in clean-tech for air pollution: Patent evidence of a long innovation cycle and a technological level gap Ahn, Sang-Jin; Yoon, Ho Young, JOURNAL OF CLEANER PRODUCTION, v.272, pp.122726, 2020-11 |
Text mining as a tool for real-time technology assessment: Application to the cross-national comparative study on artificial organ technology Ahn, Sang-Jin; Yoon, Ho Young; Lee, Young-Joo, TECHNOLOGY IN SOCIETY, v.66, 2021-08 |
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