Innovation and Firm Performance: An Empirical girro 2014年2月1日 10 阅读 0 评论 农业 Innovation and Firm Performance: An Empirical Investigation for German Firms (ZEW Economic Studies) Hardcover: 226 pages Publisher: Physica (January 4, 2008) Language: English ISBN-10: 3790820253 代发服务PDF电子书10元立即求助