海量图书期刊资源，随时随地畅享阅读乐趣
[IET International Technology and Innovation Conference 2009 (ITIC 2009) - Xi'an, China (12-14 Oct. 2009)] International Technology and Innovation Conference 2009 (ITIC 2009) - An economic analysis on marketing channel conflictZhao Longwen, ; Long Yan, · 2009