References:
http://www.kooxo.com/tutorial/ued/200904/11-136.html UCD Teamhttp://c.chinavisual.com/2010/12/07/c74041/index.shtml UCD Team http://c.chinavisual.com/2010/11/22/c73749/index.shtml UCD Team and UPAhttp://c.chinavisual.com/2009/11/09/c62128/index.shtml UCD Who is Whohttp://www.kooxo.com/tutorial/ued/200903/24-69.html Interview with Alan Coperhttp://www.docin.com/p-37988842.html UCD in Game Industry http://pagesky.blog.sohu.com/94723255.html UCD Practice