5Saaksjarvi M,Lassila A,Nordstrom H.Evaluating the software as a service business model:From CPU time-sharing to online innovation sharing[C]//IADIS International Conference E-Society,Qawra, Malta, 2005.
6叶开.中国CRM最佳务实[M].北京:电子工业出版社,2005.
7Chong F,Carraro G.Architecture strategies for catching the longtail[J].Microsoft Corporation, 2006.
