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Impact of public research and development and extension on agricultural productivity in China from 1990 to 2013

編輯：王笑竹 2021-12-01

作者：鄧海艷、Jin, YH 、Pray, Carl、胡瑞法、夏恩君、Meng, Hong

發表刊物：China Economic Review 胡瑞法檢索截圖4.png

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