7Choon Seong Leem, Sangkyun Kim. !ntzoduction to a integrated methodology for development and implementation of enterprise infor mation systems. The Journal of Systems and Software 60 (2002), 249 -261.
8Thompmn S H Teo, James S K Ang. An examination of major IS planning problems. IntematiorM Journal of Information Maraigernent 21 (2001), 457 -470.
9Symon G, Clegg C. Technology- led change: a study of the implementation of CAD/CAM [J]. Journal of Occupational Psychology, 1991, 6(4) : 273-90.
10Robin Poston, Severin Grabskil. Financial impacts of enterprise resource planning implementations [ J]. International Journal of Accounting Information Systems, 2001, 2:271 -294.
