工人舎
http://www.business-i.jp/news/sou-page/news/200812240023a.nwc
http://japan.internet.com/ecnews/20081126/3.html?rss
http://journal.mycom.co.jp/articles/2008/08/18/kohjinsha_sc/index.html
http://pc.watch.impress.co.jp/docs/2008/0415/koujinsha.htm