J jalapeno 新手上路 注册 2005-05-21 消息 220 荣誉分数 0 声望点数 0 2005-11-19 #1 EMP5111 Creativity and Innovation book: Von Hippel：The source of innovation (copy), Harvard business School Press. 5$
EMP5111 Creativity and Innovation book: Von Hippel：The source of innovation (copy), Harvard business School Press. 5$
