6[2]Kenneth C.Green.CAMPUS COMPUTING 2002:The 13th National Surevey of Computing and Information Technology in American Higher Education[R].December,2002.http://www.ccponline.net
7[3]Bob Roaten.IP TELEPHONY AND EIC:A TECHNICAL OVERVIEW[R].July 22,1998.http://www.inter-intelli.com.
8[5]James I.Penrod,Michael G.Dolence,and Judith V.Douglas,The Chief Information Officer in Higher Education[R].The Association for the Management of Information Technology in Higher Education,1990.
9[6]Garther Group.Key Trends/Key Issues:Managing IT Quality of Service[R].2000.