共 7 条
- [6] 我国发明专利价值评估研究[D]. 罗雅琼.合肥工业大学. 2010
- [7] What affects a patent’s value? An analysis of variables that affect technological, direct economic, and indirect economic value: An exploratory conceptual approach[J] . Yong-Gil Lee.Scientometrics . 2009 (3)