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Building the Knowledge Stock
Roberto EspostiPierpaolo Pierani
其他書名
Lags, Depreciation and Uncertainty in Agricultural R & D
出版Università degli studi di Ancona, Dipartimento di economia, 2000
URLhttp://books.google.com.hk/books?id=bz6xPgAACAAJ&hl=&source=gbs_api