共 87 条
- [74] What's in a sign ? Trademark law and economic theory [J]. JOURNAL OF ECONOMIC SURVEYS, 2006, 20 (04) : 547 - 565
- [75] Trademarks as an indicator of innovation: towards a fuller picture [J]. SCIENTOMETRICS, 2022, 127 (01) : 481 - 508
- [76] Sandner P., 2009, VALUATION INTANGIBLE
- [78] Service marks as novel innovation indicator [J]. RESEARCH EVALUATION, 2003, 12 (02) : 149 - 156