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poem97
Lv3
378 积分
2024-05-24 加入
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The dual frontier: Patented inventions and prior scientific advance
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When the Big One Came: A Natural Experiment on Demand Shock and Market Structure in India's Influenza Vaccine Markets
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No Free Lunch After All: Corporate Political Connections and Firms’ Location Choices
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Silver‐Catalyzed Decarboxylative Acylfluorination of Two Alkenes with Ketonic Acids
1年前
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信息错误【积分已退回】
8个月前
感谢,我也是李健老师的听友
1年前
感谢
1年前
感谢
1年前
感谢,帮大忙了
1年前
感谢,速度真快
1年前
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